123012103131222 has 64 divisors (see below), whose sum is σ = 251896895483904. Its totient is φ = 40029786783360.

The previous prime is 123012103131193. The next prime is 123012103131241. The reversal of 123012103131222 is 222131301210321.

It is a junction number, because it is equal to n+sod(n) for n = 123012103131192 and 123012103131201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221395123 + ... + 221950049.

It is an arithmetic number, because the mean of its divisors is an integer number (3935888991936).

Almost surely, 2^{123012103131222} is an apocalyptic number.

123012103131222 is an abundant number, since it is smaller than the sum of its proper divisors (128884792352682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123012103131222 is a wasteful number, since it uses less digits than its factorization.

123012103131222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556973.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 123012103131222 its reverse (222131301210321), we get a palindrome (345143404341543).

The spelling of 123012103131222 in words is "one hundred twenty-three trillion, twelve billion, one hundred three million, one hundred thirty-one thousand, two hundred twenty-two".