12877025220 has 240 divisors, whose sum is σ = 42046760448. Its totient is φ = 3296367360.

The previous prime is 12877025219. The next prime is 12877025251. The reversal of 12877025220 is 2252077821.

12877025220 is a `hidden beast` number, since 128 + 7 + 7 + 0 + 2 + 522 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4033825 + ... + 4037015.

Almost surely, 2^12877025220 is an apocalyptic number.

12877025220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12877025220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21023380224).

12877025220 is an abundant number, since it is smaller than the sum of its proper divisors (29169735228).

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

12877025220 is a wasteful number, since it uses less digits than its factorization.

12877025220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312 (or 3301 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 12877025220 in words is "twelve billion, eight hundred seventy-seven million, twenty-five thousand, two hundred twenty".