123405325310212 has 72 divisors (see below), whose sum is σ = 242916327960768. Its totient is φ = 54784510630080.

The previous prime is 123405325310209. The next prime is 123405325310233. The reversal of 123405325310212 is 212013523504321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271098633 + ... + 271553455.

It is an arithmetic number, because the mean of its divisors is an integer number (3373837888344).

Almost surely, 2^{123405325310212} is an apocalyptic number.

It is an amenable number.

123405325310212 is a deficient number, since it is larger than the sum of its proper divisors (119511002650556).

123405325310212 is a wasteful number, since it uses less digits than its factorization.

123405325310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467929 (or 467916 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 123405325310212 its reverse (212013523504321), we get a palindrome (335418848814533).

The spelling of 123405325310212 in words is "one hundred twenty-three trillion, four hundred five billion, three hundred twenty-five million, three hundred ten thousand, two hundred twelve".