12102313231021 has 8 divisors (see below), whose sum is σ = 13038900097664. Its totient is φ = 11166532035120.

The previous prime is 12102313230961. The next prime is 12102313231067. The reversal of 12102313231021 is 12013231320121.

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 12102313231021 - 2³⁷ = 11964874277549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102313230983 and 12102313231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102313231621) 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, 201386481 + ... + 201446566.

It is an arithmetic number, because the mean of its divisors is an integer number (1629862512208).

Almost surely, 2^{12102313231021} is an apocalyptic number.

It is an amenable number.

12102313231021 is a deficient number, since it is larger than the sum of its proper divisors (936586866643).

12102313231021 is a wasteful number, since it uses less digits than its factorization.

12102313231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402835371.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12102313231021 its reverse (12013231320121), we get a palindrome (24115544551142).

The spelling of 12102313231021 in words is "twelve trillion, one hundred two billion, three hundred thirteen million, two hundred thirty-one thousand, twenty-one".