123012342445125 has 256 divisors, whose sum is σ = 242148185210880. Its totient is φ = 54270023328000.

The previous prime is 123012342445073. The next prime is 123012342445159. The reversal of 123012342445125 is 521544243210321.

It is not a de Polignac number, because 123012342445125 - 2⁷ = 123012342444997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 65466918936 + ... + 65466920814.

It is an arithmetic number, because the mean of its divisors is an integer number (945891348480).

Almost surely, 2^{123012342445125} is an apocalyptic number.

123012342445125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123012342445125 is a deficient number, since it is larger than the sum of its proper divisors (119135842765755).

123012342445125 is a wasteful number, since it uses less digits than its factorization.

123012342445125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 123012342445125 its reverse (521544243210321), we get a palindrome (644556585655446).

The spelling of 123012342445125 in words is "one hundred twenty-three trillion, twelve billion, three hundred forty-two million, four hundred forty-five thousand, one hundred twenty-five".