12651628544622 has 32 divisors (see below), whose sum is σ = 28151869860000. Its totient is φ = 4211638550784.

The previous prime is 12651628544587. The next prime is 12651628544629. The reversal of 12651628544622 is 22644582615621.

12651628544622 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 1 + 6 + 2 + 8 + 5 + 4 + 4 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12651628544629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154707747 + ... + 154789502.

It is an arithmetic number, because the mean of its divisors is an integer number (879745933125).

Almost surely, 2^{12651628544622} is an apocalyptic number.

12651628544622 is an abundant number, since it is smaller than the sum of its proper divisors (15500241315378).

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

12651628544622 is a wasteful number, since it uses less digits than its factorization.

12651628544622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309498017 (or 309498011 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 12651628544622 in words is "twelve trillion, six hundred fifty-one billion, six hundred twenty-eight million, five hundred forty-four thousand, six hundred twenty-two".