12306626520 has 64 divisors (see below), whose sum is σ = 36948683520. Its totient is φ = 3279206784.

The previous prime is 12306626513. The next prime is 12306626603. The reversal of 12306626520 is 2562660321.

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, 117007 + ... + 195713.

It is an arithmetic number, because the mean of its divisors is an integer number (577323180).

Almost surely, 2^12306626520 is an apocalyptic number.

12306626520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12306626520 is an abundant number, since it is smaller than the sum of its proper divisors (24642057000).

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

12306626520 is a wasteful number, since it uses less digits than its factorization.

12306626520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80024 (or 80020 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 12306626520 in words is "twelve billion, three hundred six million, six hundred twenty-six thousand, five hundred twenty".