12174741021 has 16 divisors (see below), whose sum is σ = 16647782400. Its totient is φ = 7910543088.

The previous prime is 12174741001. The next prime is 12174741049. The reversal of 12174741021 is 12014747121.

It is not a de Polignac number, because 12174741021 - 2⁵ = 12174740989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12174741021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12174741001) 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, 146941 + ... + 214338.

It is an arithmetic number, because the mean of its divisors is an integer number (1040486400).

Almost surely, 2^12174741021 is an apocalyptic number.

It is an amenable number.

12174741021 is a deficient number, since it is larger than the sum of its proper divisors (4473041379).

12174741021 is a wasteful number, since it uses less digits than its factorization.

12174741021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361568.

The product of its (nonzero) digits is 3136, while the sum is 30.

The spelling of 12174741021 in words is "twelve billion, one hundred seventy-four million, seven hundred forty-one thousand, twenty-one".