12088186020 has 36 divisors (see below), whose sum is σ = 36667498140. Its totient is φ = 3223516224.

The previous prime is 12088185979. The next prime is 12088186081. The reversal of 12088186020 is 2068188021.

It can be written as a sum of positive squares in 2 ways, for example, as 4130118756 + 7958067264 = 64266^2 + 89208^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12088186020² (a number of 21 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 33578115 + ... + 33578474.

It is an arithmetic number, because the mean of its divisors is an integer number (1018541615).

Almost surely, 2^12088186020 is an apocalyptic number.

12088186020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12088186020 is an abundant number, since it is smaller than the sum of its proper divisors (24579312120).

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

12088186020 is a wasteful number, since it uses less digits than its factorization.

12088186020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67156604 (or 67156599 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 12088186020 in words is "twelve billion, eighty-eight million, one hundred eighty-six thousand, twenty".