12039891140 has 48 divisors (see below), whose sum is σ = 26172115200. Its totient is φ = 4646957952.

The previous prime is 12039891137. The next prime is 12039891163. The reversal of 12039891140 is 4119893021.

It is a junction number, because it is equal to n+sod(n) for n = 12039891094 and 12039891103.

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, 1065641 + ... + 1076879.

It is an arithmetic number, because the mean of its divisors is an integer number (545252400).

Almost surely, 2^12039891140 is an apocalyptic number.

12039891140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12039891140 is an abundant number, since it is smaller than the sum of its proper divisors (14132224060).

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

12039891140 is a wasteful number, since it uses less digits than its factorization.

12039891140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13124 (or 13122 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 12039891140 in words is "twelve billion, thirty-nine million, eight hundred ninety-one thousand, one hundred forty".