123212310212312 has 16 divisors (see below), whose sum is σ = 231079552763400. Its totient is φ = 61591096142080.

The previous prime is 123212310212281. The next prime is 123212310212317. The reversal of 123212310212312 is 213212013212321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123212310212317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882335737 + ... + 1882401192.

Almost surely, 2^{123212310212312} is an apocalyptic number.

It is an amenable number.

123212310212312 is a deficient number, since it is larger than the sum of its proper divisors (107867242551088).

123212310212312 is a wasteful number, since it uses less digits than its factorization.

123212310212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764741026 (or 3764741022 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 123212310212312 its reverse (213212013212321), we get a palindrome (336424323424633).

The spelling of 123212310212312 in words is "one hundred twenty-three trillion, two hundred twelve billion, three hundred ten million, two hundred twelve thousand, three hundred twelve".