12402605412 has 48 divisors (see below), whose sum is σ = 32902703680. Its totient is φ = 4038056064.

The previous prime is 12402605377. The next prime is 12402605429. The reversal of 12402605412 is 21450620421.

12402605412 is a `hidden beast` number, since 1 + 2 + 40 + 2 + 605 + 4 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330693 + ... + 1339980.

Almost surely, 2^12402605412 is an apocalyptic number.

12402605412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12402605412 is an abundant number, since it is smaller than the sum of its proper divisors (20500098268).

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

12402605412 is a wasteful number, since it uses less digits than its factorization.

12402605412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670729 (or 2670721 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 12402605412 in words is "twelve billion, four hundred two million, six hundred five thousand, four hundred twelve".