113210103212 has 24 divisors (see below), whose sum is σ = 209782424880. Its totient is φ = 53272609280.

The previous prime is 113210103187. The next prime is 113210103241. The reversal of 113210103212 is 212301012311.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 2018387 + ... + 2073717.

It is an arithmetic number, because the mean of its divisors is an integer number (8740934370).

Almost surely, 2^113210103212 is an apocalyptic number.

It is an amenable number.

113210103212 is a deficient number, since it is larger than the sum of its proper divisors (96572321668).

113210103212 is a wasteful number, since it uses less digits than its factorization.

113210103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85441 (or 85439 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 113210103212 its reverse (212301012311), we get a palindrome (325511115523).

Subtracting 113210103212 from its reverse (212301012311), we obtain a palindrome (99090909099).

The spelling of 113210103212 in words is "one hundred thirteen billion, two hundred ten million, one hundred three thousand, two hundred twelve".