12455143612164 has 72 divisors (see below), whose sum is σ = 34382974036320. Its totient is φ = 3770223091200.

The previous prime is 12455143612141. The next prime is 12455143612189. The reversal of 12455143612164 is 46121634155421.

12455143612164 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 5 + 14 + 3 + 612 + 16 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16560202 + ... + 17295969.

It is an arithmetic number, because the mean of its divisors is an integer number (477541306060).

Almost surely, 2^{12455143612164} is an apocalyptic number.

It is an amenable number.

12455143612164 is an abundant number, since it is smaller than the sum of its proper divisors (21927830424156).

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

12455143612164 is a wasteful number, since it uses less digits than its factorization.

12455143612164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33857121 (or 33857116 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

Adding to 12455143612164 its reverse (46121634155421), we get a palindrome (58576777767585).

The spelling of 12455143612164 in words is "twelve trillion, four hundred fifty-five billion, one hundred forty-three million, six hundred twelve thousand, one hundred sixty-four".