12145186092 has 24 divisors (see below), whose sum is σ = 30518673136. Its totient is φ = 3736980288.

The previous prime is 12145186073. The next prime is 12145186117. The reversal of 12145186092 is 29068154121.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 12145186092.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38926723 + ... + 38927034.

Almost surely, 2^12145186092 is an apocalyptic number.

12145186092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12145186092 is an abundant number, since it is smaller than the sum of its proper divisors (18373487044).

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

12145186092 is a wasteful number, since it uses less digits than its factorization.

12145186092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77853777 (or 77853775 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 12145186092 in words is "twelve billion, one hundred forty-five million, one hundred eighty-six thousand, ninety-two".