Search a number
-
+
12102031122 = 232969551903
BaseRepresentation
bin10110100010101011…
…00101011100010010
31011020102002212201220
423101111211130102
5144241104443442
65320512305510
7605620365366
oct132125453422
934212085656
1012102031122
115150310115
122418b42296
1311ab33997c
1482b3bb2a6
154ac6c6eec
hex2d1565712

12102031122 has 16 divisors (see below), whose sum is σ = 25038685440. Its totient is φ = 3894906512.

The previous prime is 12102031103. The next prime is 12102031129. The reversal of 12102031122 is 22113020121.

It is not an unprimeable number, because it can be changed into a prime (12102031129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34775778 + ... + 34776125.

It is an arithmetic number, because the mean of its divisors is an integer number (1564917840).

Almost surely, 212102031122 is an apocalyptic number.

12102031122 is an abundant number, since it is smaller than the sum of its proper divisors (12936654318).

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

12102031122 is a wasteful number, since it uses less digits than its factorization.

12102031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69551937.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12102031122 its reverse (22113020121), we get a palindrome (34215051243).

The spelling of 12102031122 in words is "twelve billion, one hundred two million, thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 29 58 87 174 69551903 139103806 208655709 417311418 2017005187 4034010374 6051015561 12102031122