113031120212 has 12 divisors (see below), whose sum is σ = 197818309920. Its totient is φ = 56511603096.

The previous prime is 113031120199. The next prime is 113031120227. The reversal of 113031120212 is 212021130311.

It is a congruent number.

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, 924512 + ... + 1039607.

It is an arithmetic number, because the mean of its divisors is an integer number (16484859160).

Almost surely, 2^113031120212 is an apocalyptic number.

It is an amenable number.

113031120212 is a deficient number, since it is larger than the sum of its proper divisors (84787189708).

113031120212 is a wasteful number, since it uses less digits than its factorization.

113031120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978510 (or 1978508 counting only the distinct ones).

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

Adding to 113031120212 its reverse (212021130311), we get a palindrome (325052250523).

The spelling of 113031120212 in words is "one hundred thirteen billion, thirty-one million, one hundred twenty thousand, two hundred twelve".