123012203005044 has 18 divisors (see below), whose sum is σ = 310947513151730. Its totient is φ = 41004067668336.

The previous prime is 123012203004961. The next prime is 123012203005061. The reversal of 123012203005044 is 440500302210321.

123012203005044 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 122 + 0 + 30 + 0 + 504 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86091267417444 + 36920935587600 = 9278538^2 + 6076260^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×123012203005044² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123012203004999 and 123012203005017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1708502819479 + ... + 1708502819550.

Almost surely, 2^{123012203005044} is an apocalyptic number.

It is an amenable number.

123012203005044 is an abundant number, since it is smaller than the sum of its proper divisors (187935310146686).

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

123012203005044 is a wasteful number, since it uses less digits than its factorization.

123012203005044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417005639039 (or 3417005639034 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 123012203005044 its reverse (440500302210321), we get a palindrome (563512505215365).

The spelling of 123012203005044 in words is "one hundred twenty-three trillion, twelve billion, two hundred three million, five thousand, forty-four".