113310231212 has 6 divisors (see below), whose sum is σ = 198292904628. Its totient is φ = 56655115604.

The previous prime is 113310231169. The next prime is 113310231263. The reversal of 113310231212 is 212132013311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14163778898 + ... + 14163778905.

It is an arithmetic number, because the mean of its divisors is an integer number (33048817438).

Almost surely, 2^113310231212 is an apocalyptic number.

It is an amenable number.

113310231212 is a deficient number, since it is larger than the sum of its proper divisors (84982673416).

113310231212 is a wasteful number, since it uses less digits than its factorization.

113310231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28327557807 (or 28327557805 counting only the distinct ones).

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

Adding to 113310231212 its reverse (212132013311), we get a palindrome (325442244523).

The spelling of 113310231212 in words is "one hundred thirteen billion, three hundred ten million, two hundred thirty-one thousand, two hundred twelve".