12102221231231 has 16 divisors (see below), whose sum is σ = 13127414791680. Its totient is φ = 11111870699520.

The previous prime is 12102221231209. The next prime is 12102221231251. The reversal of 12102221231231 is 13213212220121.

12102221231231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12102221231231 - 2⁴² = 7704174720127 is a prime.

It is a super-2 number, since 2×12102221231231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102221231197 and 12102221231206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102221231251) 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, 11780450 + ... + 12766496.

It is an arithmetic number, because the mean of its divisors is an integer number (820463424480).

Almost surely, 2^{12102221231231} is an apocalyptic number.

12102221231231 is a deficient number, since it is larger than the sum of its proper divisors (1025193560449).

12102221231231 is a wasteful number, since it uses less digits than its factorization.

12102221231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003714.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12102221231231 its reverse (13213212220121), we get a palindrome (25315433451352).

The spelling of 12102221231231 in words is "twelve trillion, one hundred two billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-one".