12630868220 has 24 divisors (see below), whose sum is σ = 27439473600. Its totient is φ = 4878128192.

The previous prime is 12630868213. The next prime is 12630868277. The reversal of 12630868220 is 2286803621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10888100 + ... + 10889259.

It is an arithmetic number, because the mean of its divisors is an integer number (1143311400).

Almost surely, 2^12630868220 is an apocalyptic number.

12630868220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12630868220 is an abundant number, since it is smaller than the sum of its proper divisors (14808605380).

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

12630868220 is a wasteful number, since it uses less digits than its factorization.

12630868220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21777397 (or 21777395 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 12630868220 in words is "twelve billion, six hundred thirty million, eight hundred sixty-eight thousand, two hundred twenty".