12885450570 has 32 divisors (see below), whose sum is σ = 34361202240. Its totient is φ = 3436120080.

The previous prime is 12885450499. The next prime is 12885450623. The reversal of 12885450570 is 7505458821.

12885450570 is a `hidden beast` number, since 1 + 28 + 8 + 5 + 4 + 50 + 570 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23861676 + ... + 23862215.

It is an arithmetic number, because the mean of its divisors is an integer number (1073787570).

Almost surely, 2^12885450570 is an apocalyptic number.

12885450570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12885450570 is an abundant number, since it is smaller than the sum of its proper divisors (21475751670).

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

12885450570 is a wasteful number, since it uses less digits than its factorization.

12885450570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47723907 (or 47723901 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 12885450570 in words is "twelve billion, eight hundred eighty-five million, four hundred fifty thousand, five hundred seventy".