12000221111999 has 16 divisors (see below), whose sum is σ = 12178783862784. Its totient is φ = 11822474935200.

The previous prime is 12000221111981. The next prime is 12000221112007. The reversal of 12000221111999 is 99911112200021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000221111999 is a prime.

It is a super-2 number, since 2×12000221111999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000221111399) 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, 355113794 + ... + 355147584.

It is an arithmetic number, because the mean of its divisors is an integer number (761173991424).

Almost surely, 2^{12000221111999} is an apocalyptic number.

12000221111999 is a deficient number, since it is larger than the sum of its proper divisors (178562750785).

12000221111999 is a wasteful number, since it uses less digits than its factorization.

12000221111999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45718.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 12000221111999 in words is "twelve trillion, two hundred twenty-one million, one hundred eleven thousand, nine hundred ninety-nine".