12645854622 has 24 divisors (see below), whose sum is σ = 28414143576. Its totient is φ = 4215284712.

The previous prime is 12645854593. The next prime is 12645854629. The reversal of 12645854622 is 22645854621.

12645854622 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 585 + 4 + 62 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645854629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13009653 + ... + 13010624.

It is an arithmetic number, because the mean of its divisors is an integer number (1183922649).

Almost surely, 2^12645854622 is an apocalyptic number.

12645854622 is an abundant number, since it is smaller than the sum of its proper divisors (15768288954).

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

12645854622 is an equidigital number, since it uses as much as digits as its factorization.

12645854622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26020294 (or 26020282 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

Subtracting 12645854622 from its reverse (22645854621), we obtain a palindrome (9999999999).

The spelling of 12645854622 in words is "twelve billion, six hundred forty-five million, eight hundred fifty-four thousand, six hundred twenty-two".