12516263652 has 48 divisors (see below), whose sum is σ = 30055540032. Its totient is φ = 4050990720.

The previous prime is 12516263633. The next prime is 12516263741. The reversal of 12516263652 is 25636261521.

It is a self number, because there is not a number n which added to its sum of digits gives 12516263652.

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, 189298 + ... + 246710.

It is an arithmetic number, because the mean of its divisors is an integer number (626157084).

Almost surely, 2^12516263652 is an apocalyptic number.

12516263652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12516263652 is an abundant number, since it is smaller than the sum of its proper divisors (17539276380).

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

12516263652 is a wasteful number, since it uses less digits than its factorization.

12516263652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57948 (or 57946 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The spelling of 12516263652 in words is "twelve billion, five hundred sixteen million, two hundred sixty-three thousand, six hundred fifty-two".