12630855784 has 16 divisors (see below), whose sum is σ = 23684246820. Its totient is φ = 6315056640.

The previous prime is 12630855781. The next prime is 12630855803. The reversal of 12630855784 is 48755803621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12382793284 + 248062500 = 111278^2 + 15750^2 .

It is not an unprimeable number, because it can be changed into a prime (12630855781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144274 + ... + 214654.

Almost surely, 2^12630855784 is an apocalyptic number.

It is an amenable number.

12630855784 is a deficient number, since it is larger than the sum of its proper divisors (11053391036).

12630855784 is a wasteful number, since it uses less digits than its factorization.

12630855784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92820 (or 92816 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 12630855784 in words is "twelve billion, six hundred thirty million, eight hundred fifty-five thousand, seven hundred eighty-four".