12651628544620 has 96 divisors (see below), whose sum is σ = 29154760064640. Its totient is φ = 4582796974080.

The previous prime is 12651628544587. The next prime is 12651628544629. The reversal of 12651628544620 is 2644582615621.

12651628544620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169194801 + ... + 169269559.

It is an arithmetic number, because the mean of its divisors is an integer number (303695417340).

Almost surely, 2^{12651628544620} is an apocalyptic number.

12651628544620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12651628544620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14577380032320).

12651628544620 is an abundant number, since it is smaller than the sum of its proper divisors (16503131520020).

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

12651628544620 is a wasteful number, since it uses less digits than its factorization.

12651628544620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87115 (or 87113 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 12651628544620 in words is "twelve trillion, six hundred fifty-one billion, six hundred twenty-eight million, five hundred forty-four thousand, six hundred twenty".