12185402032 has 20 divisors (see below), whose sum is σ = 23612146960. Its totient is φ = 6091944768.

The previous prime is 12185401999. The next prime is 12185402039. The reversal of 12185402032 is 23020458121.

It is not an unprimeable number, because it can be changed into a prime (12185402039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99469 + ... + 185107.

It is an arithmetic number, because the mean of its divisors is an integer number (1180607348).

Almost surely, 2^12185402032 is an apocalyptic number.

It is an amenable number.

12185402032 is a deficient number, since it is larger than the sum of its proper divisors (11426744928).

12185402032 is an equidigital number, since it uses as much as digits as its factorization.

12185402032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94540 (or 94534 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 12185402032 in words is "twelve billion, one hundred eighty-five million, four hundred two thousand, thirty-two".