12002023013231 has 4 divisors (see below), whose sum is σ = 12633708435000. Its totient is φ = 11370337591464.

The previous prime is 12002023013219. The next prime is 12002023013249. The reversal of 12002023013231 is 13231032020021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12002023013231 - 2³⁰ = 12000949271407 is a prime.

It is a super-2 number, since 2×12002023013231² (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 (12002023013251) 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, 315842710856 + ... + 315842710893.

It is an arithmetic number, because the mean of its divisors is an integer number (3158427108750).

Almost surely, 2^{12002023013231} is an apocalyptic number.

12002023013231 is a deficient number, since it is larger than the sum of its proper divisors (631685421769).

12002023013231 is an equidigital number, since it uses as much as digits as its factorization.

12002023013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631685421768.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12002023013231 its reverse (13231032020021), we get a palindrome (25233055033252).

The spelling of 12002023013231 in words is "twelve trillion, two billion, twenty-three million, thirteen thousand, two hundred thirty-one".