123001211312212 has 24 divisors (see below), whose sum is σ = 220252281088896. Its totient is φ = 60076992060288.

The previous prime is 123001211312149. The next prime is 123001211312279. The reversal of 123001211312212 is 212213112100321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625390933 + ... + 625587580.

It is an arithmetic number, because the mean of its divisors is an integer number (9177178378704).

Almost surely, 2^{123001211312212} is an apocalyptic number.

It is an amenable number.

123001211312212 is a deficient number, since it is larger than the sum of its proper divisors (97251069776684).

123001211312212 is a wasteful number, since it uses less digits than its factorization.

123001211312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250979087 (or 1250979085 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 123001211312212 its reverse (212213112100321), we get a palindrome (335214323412533).

The spelling of 123001211312212 in words is "one hundred twenty-three trillion, one billion, two hundred eleven million, three hundred twelve thousand, two hundred twelve".