12031112010021 has 8 divisors (see below), whose sum is σ = 17275442886240. Its totient is φ = 7403761236912.

The previous prime is 12031112010011. The next prime is 12031112010053. The reversal of 12031112010021 is 12001021113021.

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

It is not a de Polignac number, because 12031112010021 - 2⁷ = 12031112009893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031112010011) 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, 154245025731 + ... + 154245025808.

It is an arithmetic number, because the mean of its divisors is an integer number (2159430360780).

Almost surely, 2^{12031112010021} is an apocalyptic number.

It is an amenable number.

12031112010021 is a deficient number, since it is larger than the sum of its proper divisors (5244330876219).

12031112010021 is a wasteful number, since it uses less digits than its factorization.

12031112010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308490051555.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12031112010021 its reverse (12001021113021), we get a palindrome (24032133123042).

The spelling of 12031112010021 in words is "twelve trillion, thirty-one billion, one hundred twelve million, ten thousand, twenty-one".