12580500916 has 6 divisors (see below), whose sum is σ = 22015876610. Its totient is φ = 6290250456.

The previous prime is 12580500901. The next prime is 12580500931. The reversal of 12580500916 is 61900508521.

It is an interprime number because it is at equal distance from previous prime (12580500901) and next prime (12580500931).

It can be written as a sum of positive squares in only one way, i.e., 8997281316 + 3583219600 = 94854^2 + 59860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572562611 + ... + 1572562618.

Almost surely, 2^12580500916 is an apocalyptic number.

It is an amenable number.

12580500916 is a deficient number, since it is larger than the sum of its proper divisors (9435375694).

12580500916 is a wasteful number, since it uses less digits than its factorization.

12580500916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145125233 (or 3145125231 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 12580500916 in words is "twelve billion, five hundred eighty million, five hundred thousand, nine hundred sixteen".