12031133200221 has 4 divisors (see below), whose sum is σ = 16041510933632. Its totient is φ = 8020755466812.

The previous prime is 12031133200217. The next prime is 12031133200231. The reversal of 12031133200221 is 12200233113021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12031133200221 - 2² = 12031133200217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031133200211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005188866701 + ... + 2005188866706.

It is an arithmetic number, because the mean of its divisors is an integer number (4010377733408).

Almost surely, 2^{12031133200221} is an apocalyptic number.

It is an amenable number.

12031133200221 is a deficient number, since it is larger than the sum of its proper divisors (4010377733411).

12031133200221 is an equidigital number, since it uses as much as digits as its factorization.

12031133200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010377733410.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12031133200221 its reverse (12200233113021), we get a palindrome (24231366313242).

The spelling of 12031133200221 in words is "twelve trillion, thirty-one billion, one hundred thirty-three million, two hundred thousand, two hundred twenty-one".