12645112461254 has 16 divisors (see below), whose sum is σ = 23344823005728. Its totient is φ = 5002462072512.

The previous prime is 12645112461193. The next prime is 12645112461271. The reversal of 12645112461254 is 45216421154621.

It is a super-2 number, since 2×12645112461254² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

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, 34739319767 + ... + 34739320130.

It is an arithmetic number, because the mean of its divisors is an integer number (1459051437858).

Almost surely, 2^{12645112461254} is an apocalyptic number.

12645112461254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12645112461254 is a deficient number, since it is larger than the sum of its proper divisors (10699710544474).

12645112461254 is a wasteful number, since it uses less digits than its factorization.

12645112461254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69478639919.

The product of its digits is 460800, while the sum is 44.

The spelling of 12645112461254 in words is "twelve trillion, six hundred forty-five billion, one hundred twelve million, four hundred sixty-one thousand, two hundred fifty-four".