12630432535 has 16 divisors (see below), whose sum is σ = 17328669696. Its totient is φ = 8657401248.

The previous prime is 12630432511. The next prime is 12630432559. The reversal of 12630432535 is 53523403621.

It is an interprime number because it is at equal distance from previous prime (12630432511) and next prime (12630432559).

It is a cyclic number.

It is not a de Polignac number, because 12630432535 - 2²³ = 12622043927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12630432535.

It is a congruent number.

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, 18052 + ... + 159958.

It is an arithmetic number, because the mean of its divisors is an integer number (1083041856).

Almost surely, 2^12630432535 is an apocalyptic number.

12630432535 is a deficient number, since it is larger than the sum of its proper divisors (4698237161).

12630432535 is a wasteful number, since it uses less digits than its factorization.

12630432535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144462.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 12630432535 in words is "twelve billion, six hundred thirty million, four hundred thirty-two thousand, five hundred thirty-five".