12651602405 has 16 divisors (see below), whose sum is σ = 16371949440. Its totient is φ = 9330043968.

The previous prime is 12651602399. The next prime is 12651602407. The reversal of 12651602405 is 50420615621.

It is a cyclic number.

It is not a de Polignac number, because 12651602405 - 2¹⁴ = 12651586021 is a prime.

It is a congruent 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, 83657 + ... + 179726.

It is an arithmetic number, because the mean of its divisors is an integer number (1023246840).

Almost surely, 2^12651602405 is an apocalyptic number.

It is an amenable number.

12651602405 is a deficient number, since it is larger than the sum of its proper divisors (3720347035).

12651602405 is a wasteful number, since it uses less digits than its factorization.

12651602405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264140.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 12651602405 in words is "twelve billion, six hundred fifty-one million, six hundred two thousand, four hundred five".