113031222212 has 12 divisors (see below), whose sum is σ = 199763101356. Its totient is φ = 55956050400.

The previous prime is 113031222169. The next prime is 113031222223. The reversal of 113031222212 is 212222130311.

It can be written as a sum of positive squares in 2 ways, for example, as 52306434436 + 60724787776 = 228706^2 + 246424^2 .

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, 139889723 + ... + 139890530.

It is an arithmetic number, because the mean of its divisors is an integer number (16646925113).

Almost surely, 2^113031222212 is an apocalyptic number.

It is an amenable number.

113031222212 is a deficient number, since it is larger than the sum of its proper divisors (86731879144).

113031222212 is a wasteful number, since it uses less digits than its factorization.

113031222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279780358 (or 279780356 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 113031222212 its reverse (212222130311), we get a palindrome (325253352523).

The spelling of 113031222212 in words is "one hundred thirteen billion, thirty-one million, two hundred twenty-two thousand, two hundred twelve".