123122220032312 has 16 divisors (see below), whose sum is σ = 230854593780000. Its totient is φ = 61560995024320.

The previous prime is 123122220032263. The next prime is 123122220032323. The reversal of 123122220032312 is 213230022221321.

It is a congruent number.

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, 9735437 + ... + 18466812.

It is an arithmetic number, because the mean of its divisors is an integer number (14428412111250).

Almost surely, 2^{123122220032312} is an apocalyptic number.

It is an amenable number.

123122220032312 is a deficient number, since it is larger than the sum of its proper divisors (107732373747688).

123122220032312 is a wasteful number, since it uses less digits than its factorization.

123122220032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28747966 (or 28747962 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 123122220032312 its reverse (213230022221321), we get a palindrome (336352242253633).

The spelling of 123122220032312 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, two hundred twenty million, thirty-two thousand, three hundred twelve".