12652626390 has 32 divisors (see below), whose sum is σ = 30819536640. Its totient is φ = 3323674464.

The previous prime is 12652626383. The next prime is 12652626391. The reversal of 12652626390 is 9362625621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652626391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3145410 + ... + 3149429.

It is an arithmetic number, because the mean of its divisors is an integer number (963110520).

Almost surely, 2^12652626390 is an apocalyptic number.

12652626390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12652626390 is an abundant number, since it is smaller than the sum of its proper divisors (18166910250).

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

12652626390 is a wasteful number, since it uses less digits than its factorization.

12652626390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294916.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 12652626390 in words is "twelve billion, six hundred fifty-two million, six hundred twenty-six thousand, three hundred ninety".