123133331312312 has 16 divisors (see below), whose sum is σ = 230875331761800. Its totient is φ = 61566576175840.

The previous prime is 123133331312309. The next prime is 123133331312333. The reversal of 123133331312312 is 213213133331321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5144762 + ... + 16514697.

Almost surely, 2^{123133331312312} is an apocalyptic number.

It is an amenable number.

123133331312312 is a deficient number, since it is larger than the sum of its proper divisors (107742000449488).

123133331312312 is a wasteful number, since it uses less digits than its factorization.

123133331312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22370086 (or 22370082 counting only the distinct ones).

The product of its digits is 17496, while the sum is 32.

Adding to 123133331312312 its reverse (213213133331321), we get a palindrome (336346464643633).

The spelling of 123133331312312 in words is "one hundred twenty-three trillion, one hundred thirty-three billion, three hundred thirty-one million, three hundred twelve thousand, three hundred twelve".