12003640221 has 8 divisors (see below), whose sum is σ = 16010729280. Its totient is φ = 7999488992.

The previous prime is 12003640213. The next prime is 12003640237. The reversal of 12003640221 is 12204630021.

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 12003640221 - 2³ = 12003640213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003640321) 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, 724905 + ... + 741278.

It is an arithmetic number, because the mean of its divisors is an integer number (2001341160).

Almost surely, 2^12003640221 is an apocalyptic number.

It is an amenable number.

12003640221 is a deficient number, since it is larger than the sum of its proper divisors (4007089059).

12003640221 is a wasteful number, since it uses less digits than its factorization.

12003640221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468915.

The product of its (nonzero) digits is 576, while the sum is 21.

The spelling of 12003640221 in words is "twelve billion, three million, six hundred forty thousand, two hundred twenty-one".