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12020120200 = 2352116019091
BaseRepresentation
bin10110011000111010…
…00111101010001000
31011000200222101002001
423030131013222020
5144104122321300
65304424520344
7603604223134
oct131435075210
934020871061
1012020120200
115109054240
1223b56200b4
13119738a87a
148205783c4
154a53e716a
hex2cc747a88

12020120200 has 96 divisors (see below), whose sum is σ = 30541482720. Its totient is φ = 4363200000.

The previous prime is 12020120171. The next prime is 12020120219. The reversal of 12020120200 is 202102021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1317655 + ... + 1326745.

It is an arithmetic number, because the mean of its divisors is an integer number (318140445).

Almost surely, 212020120200 is an apocalyptic number.

12020120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15270741360).

12020120200 is an abundant number, since it is smaller than the sum of its proper divisors (18521362520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12020120200 is a wasteful number, since it uses less digits than its factorization.

12020120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719 (or 9710 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12020120200 its reverse (202102021), we get a palindrome (12222222221).

The spelling of 12020120200 in words is "twelve billion, twenty million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 601 1100 1202 2200 2404 3005 4808 6010 6611 9091 12020 13222 15025 18182 24040 26444 30050 33055 36364 45455 52888 60100 66110 72728 90910 100001 120200 132220 165275 181820 200002 227275 264440 330550 363640 400004 454550 500005 661100 800008 909100 1000010 1322200 1818200 2000020 2500025 4000040 5000050 5463691 10000100 10927382 20000200 21854764 27318455 43709528 54636910 60100601 109273820 120201202 136592275 218547640 240402404 273184550 300503005 480804808 546369100 601006010 1092738200 1202012020 1502515025 2404024040 3005030050 6010060100 12020120200