12654665430 has 64 divisors (see below), whose sum is σ = 33142991616. Its totient is φ = 3066800000.

The previous prime is 12654665393. The next prime is 12654665431. The reversal of 12654665430 is 3456645621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12654665431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1811845 + ... + 1818815.

It is an arithmetic number, because the mean of its divisors is an integer number (517859244).

Almost surely, 2^12654665430 is an apocalyptic number.

12654665430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12654665430 is an abundant number, since it is smaller than the sum of its proper divisors (20488326186).

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

12654665430 is a wasteful number, since it uses less digits than its factorization.

12654665430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12493.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 12654665430 in words is "twelve billion, six hundred fifty-four million, six hundred sixty-five thousand, four hundred thirty".