12630443552 has 12 divisors (see below), whose sum is σ = 24866185806. Its totient is φ = 6315221760.

The previous prime is 12630443533. The next prime is 12630443563. The reversal of 12630443552 is 25534403621.

It can be written as a sum of positive squares in only one way, i.e., 11441297296 + 1189146256 = 106964^2 + 34484^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197350649 + ... + 197350712.

Almost surely, 2^12630443552 is an apocalyptic number.

It is an amenable number.

12630443552 is a deficient number, since it is larger than the sum of its proper divisors (12235742254).

12630443552 is an equidigital number, since it uses as much as digits as its factorization.

12630443552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394701371 (or 394701363 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 12630443552 in words is "twelve billion, six hundred thirty million, four hundred forty-three thousand, five hundred fifty-two".