12880085240 has 32 divisors (see below), whose sum is σ = 31614755760. Its totient is φ = 4683667200.

The previous prime is 12880085227. The next prime is 12880085299. The reversal of 12880085240 is 4258008821.

It is a junction number, because it is equal to n+sod(n) for n = 12880085194 and 12880085203.

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, 14636021 + ... + 14636900.

Almost surely, 2^12880085240 is an apocalyptic number.

12880085240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12880085240 is an abundant number, since it is smaller than the sum of its proper divisors (18734670520).

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

12880085240 is a wasteful number, since it uses less digits than its factorization.

12880085240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29272943 (or 29272939 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The spelling of 12880085240 in words is "twelve billion, eight hundred eighty million, eighty-five thousand, two hundred forty".