12516362680 has 32 divisors (see below), whose sum is σ = 28240293600. Its totient is φ = 4992593536.

The previous prime is 12516362671. The next prime is 12516362687. The reversal of 12516362680 is 8626361521.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12516362687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421447 + ... + 450166.

It is an arithmetic number, because the mean of its divisors is an integer number (882509175).

Almost surely, 2^12516362680 is an apocalyptic number.

12516362680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12516362680 is an abundant number, since it is smaller than the sum of its proper divisors (15723930920).

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

12516362680 is a wasteful number, since it uses less digits than its factorization.

12516362680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871983 (or 871979 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 12516362680 in words is "twelve billion, five hundred sixteen million, three hundred sixty-two thousand, six hundred eighty".