Search a number
-
+
212012200012 = 22439557216761
BaseRepresentation
bin1100010101110011101…
…0010111000001001100
3202021020111100200010011
43011130322113001030
511433200110400022
6241221433123004
721213600652204
oct3053472270114
9667214320104
10212012200012
1181a063a5928
123510a559464
1316cb9b65a32
14a393597404
1557acd04977
hex315ce9704c

212012200012 has 24 divisors (see below), whose sum is σ = 372535843680. Its totient is φ = 105574258560.

The previous prime is 212012200009. The next prime is 212012200061. The reversal of 212012200012 is 210002210212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212012199965 and 212012200001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869712 + ... + 1086472.

It is an arithmetic number, because the mean of its divisors is an integer number (15522326820).

Almost surely, 2212012200012 is an apocalyptic number.

It is an amenable number.

212012200012 is a deficient number, since it is larger than the sum of its proper divisors (160523643668).

212012200012 is a wasteful number, since it uses less digits than its factorization.

212012200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217761 (or 217759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212012200012 its reverse (210002210212), we get a palindrome (422014410224).

The spelling of 212012200012 in words is "two hundred twelve billion, twelve million, two hundred thousand, twelve".

Divisors: 1 2 4 439 557 878 1114 1756 2228 216761 244523 433522 489046 867044 978092 95158079 120735877 190316158 241471754 380632316 482943508 53003050003 106006100006 212012200012