12893224660 has 24 divisors (see below), whose sum is σ = 28668465000. Its totient is φ = 4853919744.

The previous prime is 12893224627. The next prime is 12893224667. The reversal of 12893224660 is 6642239821.

It can be written as a sum of positive squares in 4 ways, for example, as 6321204036 + 6572020624 = 79506^2 + 81068^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12893224667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18960285 + ... + 18960964.

It is an arithmetic number, because the mean of its divisors is an integer number (1194519375).

Almost surely, 2^12893224660 is an apocalyptic number.

12893224660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12893224660 is an abundant number, since it is smaller than the sum of its proper divisors (15775240340).

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

12893224660 is a wasteful number, since it uses less digits than its factorization.

12893224660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37921275 (or 37921273 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 12893224660 in words is "twelve billion, eight hundred ninety-three million, two hundred twenty-four thousand, six hundred sixty".