12074366721 has 8 divisors (see below), whose sum is σ = 16104500320. Its totient is φ = 8046905472.

The previous prime is 12074366687. The next prime is 12074366723. The reversal of 12074366721 is 12766347021.

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

It is not a de Polignac number, because 12074366721 - 2⁹ = 12074366209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12074366721.

It is not an unprimeable number, because it can be changed into a prime (12074366723) 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, 657520 + ... + 675633.

It is an arithmetic number, because the mean of its divisors is an integer number (2013062540).

Almost surely, 2^12074366721 is an apocalyptic number.

It is an amenable number.

12074366721 is a deficient number, since it is larger than the sum of its proper divisors (4030133599).

12074366721 is a wasteful number, since it uses less digits than its factorization.

12074366721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336175.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 12074366721 in words is "twelve billion, seventy-four million, three hundred sixty-six thousand, seven hundred twenty-one".