12657361180 has 24 divisors (see below), whose sum is σ = 26624858400. Its totient is φ = 5054487360.

The previous prime is 12657361177. The next prime is 12657361183. The reversal of 12657361180 is 8116375621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12657361177) and next prime (12657361183).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12657361183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516291 + ... + 540250.

It is an arithmetic number, because the mean of its divisors is an integer number (1109369100).

Almost surely, 2^12657361180 is an apocalyptic number.

12657361180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12657361180 is an abundant number, since it is smaller than the sum of its proper divisors (13967497220).

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

12657361180 is a wasteful number, since it uses less digits than its factorization.

12657361180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057149 (or 1057147 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 12657361180 in words is "twelve billion, six hundred fifty-seven million, three hundred sixty-one thousand, one hundred eighty".