Search a number
-
+
1012122212 = 221012505253
BaseRepresentation
bin111100010100111…
…100001001100100
32121112111010122212
4330110330021210
54033100402322
6244233142552
734036616423
oct7424741144
92545433585
101012122212
1147a353442
12242b5aa58
131318c29aa
14985c52ba
155dcc80e2
hex3c53c264

1012122212 has 12 divisors (see below), whose sum is σ = 1788751356. Its totient is φ = 501050400.

The previous prime is 1012122203. The next prime is 1012122227. The reversal of 1012122212 is 2122212101.

It can be written as a sum of positive squares in 2 ways, for example, as 899040256 + 113081956 = 29984^2 + 10634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252223 + ... + 1253030.

It is an arithmetic number, because the mean of its divisors is an integer number (149062613).

Almost surely, 21012122212 is an apocalyptic number.

It is an amenable number.

1012122212 is a deficient number, since it is larger than the sum of its proper divisors (776629144).

1012122212 is a wasteful number, since it uses less digits than its factorization.

1012122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505358 (or 2505356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1012122212 is about 31813.8682338379. The cubic root of 1012122212 is about 1004.0245188533.

Adding to 1012122212 its reverse (2122212101), we get a palindrome (3134334313).

It can be divided in two parts, 101 and 2122212, that multiplied together give a palindrome (214343412).

The spelling of 1012122212 in words is "one billion, twelve million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 101 202 404 2505253 5010506 10021012 253030553 506061106 1012122212