12365555142 has 16 divisors (see below), whose sum is σ = 24734348352. Its totient is φ = 4121312040.

The previous prime is 12365555123. The next prime is 12365555201. The reversal of 12365555142 is 24155556321.

It is a self number, because there is not a number n which added to its sum of digits gives 12365555142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83784 + ... + 178187.

It is an arithmetic number, because the mean of its divisors is an integer number (1545896772).

Almost surely, 2^12365555142 is an apocalyptic number.

12365555142 is an abundant number, since it is smaller than the sum of its proper divisors (12368793210).

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

12365555142 is a wasteful number, since it uses less digits than its factorization.

12365555142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269843.

The product of its digits is 180000, while the sum is 39.

The spelling of 12365555142 in words is "twelve billion, three hundred sixty-five million, five hundred fifty-five thousand, one hundred forty-two".