113212023020 has 24 divisors (see below), whose sum is σ = 237924464064. Its totient is φ = 45250672896.

The previous prime is 113212022999. The next prime is 113212023031. The reversal of 113212023020 is 20320212311.

It is a self number, because there is not a number n which added to its sum of digits gives 113212023020.

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, 2106317 + ... + 2159396.

It is an arithmetic number, because the mean of its divisors is an integer number (9913519336).

Almost surely, 2^113212023020 is an apocalyptic number.

113212023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113212023020 is an abundant number, since it is smaller than the sum of its proper divisors (124712441044).

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

113212023020 is a wasteful number, since it uses less digits than its factorization.

113212023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267049 (or 4267047 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 113212023020 its reverse (20320212311), we get a palindrome (133532235331).

The spelling of 113212023020 in words is "one hundred thirteen billion, two hundred twelve million, twenty-three thousand, twenty".