12858670188 has 192 divisors, whose sum is σ = 43444638720. Its totient is φ = 3191768064.

The previous prime is 12858670177. The next prime is 12858670193. The reversal of 12858670188 is 88107685821.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128595 + ... + 205557.

It is an arithmetic number, because the mean of its divisors is an integer number (226274160).

Almost surely, 2^12858670188 is an apocalyptic number.

12858670188 is a gapful number since it is divisible by the number (18) 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 12858670188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21722319360).

12858670188 is an abundant number, since it is smaller than the sum of its proper divisors (30585968532).

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

12858670188 is a wasteful number, since it uses less digits than its factorization.

12858670188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77013 (or 77005 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 54.

The spelling of 12858670188 in words is "twelve billion, eight hundred fifty-eight million, six hundred seventy thousand, one hundred eighty-eight".