12185415573 has 16 divisors (see below), whose sum is σ = 16474630656. Its totient is φ = 8009971200.

The previous prime is 12185415523. The next prime is 12185415587. The reversal of 12185415573 is 37551458121.

It is not a de Polignac number, because 12185415573 - 2¹⁴ = 12185399189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12185415503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1049148 + ... + 1060698.

It is an arithmetic number, because the mean of its divisors is an integer number (1029664416).

Almost surely, 2^12185415573 is an apocalyptic number.

It is an amenable number.

12185415573 is a deficient number, since it is larger than the sum of its proper divisors (4289215083).

12185415573 is a wasteful number, since it uses less digits than its factorization.

12185415573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16444.

The product of its digits is 168000, while the sum is 42.

The spelling of 12185415573 in words is "twelve billion, one hundred eighty-five million, four hundred fifteen thousand, five hundred seventy-three".