113231103212 has 24 divisors (see below), whose sum is σ = 217652467200. Its totient is φ = 51303794256.

The previous prime is 113231103157. The next prime is 113231103221. The reversal of 113231103212 is 212301132311.

It is a happy number.

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, 32387012 + ... + 32390507.

It is an arithmetic number, because the mean of its divisors is an integer number (9068852800).

Almost surely, 2^113231103212 is an apocalyptic number.

It is an amenable number.

113231103212 is a deficient number, since it is larger than the sum of its proper divisors (104421363988).

113231103212 is a wasteful number, since it uses less digits than its factorization.

113231103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64777565 (or 64777563 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113231103212 its reverse (212301132311), we get a palindrome (325532235523).

The spelling of 113231103212 in words is "one hundred thirteen billion, two hundred thirty-one million, one hundred three thousand, two hundred twelve".