123013301212112 has 40 divisors (see below), whose sum is σ = 238648384796640. Its totient is φ = 61426631594880.

The previous prime is 123013301212063. The next prime is 123013301212163. The reversal of 123013301212112 is 211212103310321.

It is a happy number.

It is a super-3 number, since 3×123013301212112³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195012839 + ... + 195642617.

It is an arithmetic number, because the mean of its divisors is an integer number (5966209619916).

Almost surely, 2^{123013301212112} is an apocalyptic number.

It is an amenable number.

123013301212112 is a deficient number, since it is larger than the sum of its proper divisors (115635083584528).

123013301212112 is a wasteful number, since it uses less digits than its factorization.

123013301212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645651 (or 645645 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 123013301212112 its reverse (211212103310321), we get a palindrome (334225404522433).

The spelling of 123013301212112 in words is "one hundred twenty-three trillion, thirteen billion, three hundred one million, two hundred twelve thousand, one hundred twelve".