12641340152 has 32 divisors (see below), whose sum is σ = 27210086400. Its totient is φ = 5393417184.

The previous prime is 12641340119. The next prime is 12641340163. The reversal of 12641340152 is 25104314621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493652 + ... + 518627.

It is an arithmetic number, because the mean of its divisors is an integer number (850315200).

Almost surely, 2^12641340152 is an apocalyptic number.

It is an amenable number.

12641340152 is an abundant number, since it is smaller than the sum of its proper divisors (14568746248).

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

12641340152 is a wasteful number, since it uses less digits than its factorization.

12641340152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012515 (or 1012511 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 12641340152 its reverse (25104314621), we get a palindrome (37745654773).

The spelling of 12641340152 in words is "twelve billion, six hundred forty-one million, three hundred forty thousand, one hundred fifty-two".