113321331212 has 12 divisors (see below), whose sum is σ = 198323155296. Its totient is φ = 56657572560.

The previous prime is 113321331199. The next prime is 113321331239. The reversal of 113321331212 is 212133123311.

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, 689828 + ... + 838155.

It is an arithmetic number, because the mean of its divisors is an integer number (16526929608).

Almost surely, 2^113321331212 is an apocalyptic number.

It is an amenable number.

113321331212 is a deficient number, since it is larger than the sum of its proper divisors (85001824084).

113321331212 is a wasteful number, since it uses less digits than its factorization.

113321331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546528 (or 1546526 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 113321331212 its reverse (212133123311), we get a palindrome (325454454523).

The spelling of 113321331212 in words is "one hundred thirteen billion, three hundred twenty-one million, three hundred thirty-one thousand, two hundred twelve".