12540877080 has 64 divisors (see below), whose sum is σ = 37675951200. Its totient is φ = 3339494400.

The previous prime is 12540877079. The next prime is 12540877081. The reversal of 12540877080 is 8077804521.

It is an interprime number because it is at equal distance from previous prime (12540877079) and next prime (12540877081).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12540877081) 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 15 ways as a sum of consecutive naturals, for example, 11380 + ... + 158780.

Almost surely, 2^12540877080 is an apocalyptic number.

12540877080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12540877080 is an abundant number, since it is smaller than the sum of its proper divisors (25135074120).

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

12540877080 is a wasteful number, since it uses less digits than its factorization.

12540877080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148124 (or 148120 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The spelling of 12540877080 in words is "twelve billion, five hundred forty million, eight hundred seventy-seven thousand, eighty".