123012240001252 has 24 divisors (see below), whose sum is σ = 256721196525696. Its totient is φ = 50427377888448.

The previous prime is 123012240001207. The next prime is 123012240001307. The reversal of 123012240001252 is 252100042210321.

It is a super-2 number, since 2×123012240001252² (a number of 29 digits) contains 22 as substring.

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, 95506396873 + ... + 95506398160.

It is an arithmetic number, because the mean of its divisors is an integer number (10696716521904).

Almost surely, 2^{123012240001252} is an apocalyptic number.

It is an amenable number.

123012240001252 is an abundant number, since it is smaller than the sum of its proper divisors (133708956524444).

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

123012240001252 is a wasteful number, since it uses less digits than its factorization.

123012240001252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191012795067 (or 191012795065 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 123012240001252 its reverse (252100042210321), we get a palindrome (375112282211573).

The spelling of 123012240001252 in words is "one hundred twenty-three trillion, twelve billion, two hundred forty million, one thousand, two hundred fifty-two".