12630855051 has 24 divisors (see below), whose sum is σ = 18598198320. Its totient is φ = 8258040000.

The previous prime is 12630855049. The next prime is 12630855077. The reversal of 12630855051 is 15055803621.

It is a happy number.

12630855051 is a `hidden beast` number, since 1 + 26 + 30 + 8 + 550 + 51 = 666.

It is not a de Polignac number, because 12630855051 - 2¹ = 12630855049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12630854997 and 12630855015.

It is not an unprimeable number, because it can be changed into a prime (12630855451) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 195301 + ... + 251801.

It is an arithmetic number, because the mean of its divisors is an integer number (774924930).

Almost surely, 2^12630855051 is an apocalyptic number.

12630855051 is a deficient number, since it is larger than the sum of its proper divisors (5967343269).

12630855051 is a wasteful number, since it uses less digits than its factorization.

12630855051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56987 (or 56984 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 12630855051 in words is "twelve billion, six hundred thirty million, eight hundred fifty-five thousand, fifty-one".