12173384731 has 8 divisors (see below), whose sum is σ = 12799632384. Its totient is φ = 11555217960.

The previous prime is 12173384719. The next prime is 12173384737. The reversal of 12173384731 is 13748337121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12173384731 - 2⁷ = 12173384603 is a prime.

It is a super-2 number, since 2×12173384731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12173384737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017131 + ... + 2023156.

It is an arithmetic number, because the mean of its divisors is an integer number (1599954048).

Almost surely, 2^12173384731 is an apocalyptic number.

12173384731 is a deficient number, since it is larger than the sum of its proper divisors (626247653).

12173384731 is a wasteful number, since it uses less digits than its factorization.

12173384731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040441.

The product of its digits is 84672, while the sum is 40.

The spelling of 12173384731 in words is "twelve billion, one hundred seventy-three million, three hundred eighty-four thousand, seven hundred thirty-one".