12530551216 has 40 divisors (see below), whose sum is σ = 26141786640. Its totient is φ = 5796777984.

The previous prime is 12530551193. The next prime is 12530551237. The reversal of 12530551216 is 61215503521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374361 + ... + 406456.

It is an arithmetic number, because the mean of its divisors is an integer number (653544666).

Almost surely, 2^12530551216 is an apocalyptic number.

12530551216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12530551216 is an abundant number, since it is smaller than the sum of its proper divisors (13611235424).

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

12530551216 is a wasteful number, since it uses less digits than its factorization.

12530551216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780901 (or 780895 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 12530551216 in words is "twelve billion, five hundred thirty million, five hundred fifty-one thousand, two hundred sixteen".