123222001311212 has 6 divisors (see below), whose sum is σ = 215638502294628. Its totient is φ = 61611000655604.

The previous prime is 123222001311191. The next prime is 123222001311221. The reversal of 123222001311212 is 212113100222321.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15402750163898 + ... + 15402750163905.

It is an arithmetic number, because the mean of its divisors is an integer number (35939750382438).

Almost surely, 2^{123222001311212} is an apocalyptic number.

It is an amenable number.

123222001311212 is a deficient number, since it is larger than the sum of its proper divisors (92416500983416).

123222001311212 is a wasteful number, since it uses less digits than its factorization.

123222001311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30805500327807 (or 30805500327805 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 123222001311212 its reverse (212113100222321), we get a palindrome (335335101533533).

The spelling of 123222001311212 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, one million, three hundred eleven thousand, two hundred twelve".