12651602404 has 48 divisors (see below), whose sum is σ = 25718394240. Its totient is φ = 5333771520.

The previous prime is 12651602399. The next prime is 12651602407. The reversal of 12651602404 is 40420615621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12651602407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478039 + ... + 503809.

It is an arithmetic number, because the mean of its divisors is an integer number (535799880).

Almost surely, 2^12651602404 is an apocalyptic number.

12651602404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12651602404 is an abundant number, since it is smaller than the sum of its proper divisors (13066791836).

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

12651602404 is a wasteful number, since it uses less digits than its factorization.

12651602404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26068 (or 26066 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 12651602404 in words is "twelve billion, six hundred fifty-one million, six hundred two thousand, four hundred four".