12032723521 has 8 divisors (see below), whose sum is σ = 14809505984. Its totient is φ = 9520396560.

The previous prime is 12032723513. The next prime is 12032723551. The reversal of 12032723521 is 12532723021.

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 12032723521 - 2³ = 12032723513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12032723521.

It is not an unprimeable number, because it can be changed into a prime (12032723551) 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, 66113775 + ... + 66113956.

It is an arithmetic number, because the mean of its divisors is an integer number (1851188248).

Almost surely, 2^12032723521 is an apocalyptic number.

It is an amenable number.

12032723521 is a deficient number, since it is larger than the sum of its proper divisors (2776782463).

12032723521 is a wasteful number, since it uses less digits than its factorization.

12032723521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132227751.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 12032723521 in words is "twelve billion, thirty-two million, seven hundred twenty-three thousand, five hundred twenty-one".