12857203260 has 288 divisors, whose sum is σ = 43947251712. Its totient is φ = 3015221760.

The previous prime is 12857203213. The next prime is 12857203291. The reversal of 12857203260 is 6230275821.

12857203260 is a `hidden beast` number, since 1 + 28 + 572 + 0 + 3 + 2 + 60 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16336587 + ... + 16337373.

It is an arithmetic number, because the mean of its divisors is an integer number (152594624).

Almost surely, 2^12857203260 is an apocalyptic number.

12857203260 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 12857203260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21973625856).

12857203260 is an abundant number, since it is smaller than the sum of its proper divisors (31090048452).

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

12857203260 is a wasteful number, since it uses less digits than its factorization.

12857203260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 12857203260 in words is "twelve billion, eight hundred fifty-seven million, two hundred three thousand, two hundred sixty".