12212023211231 has 24 divisors (see below), whose sum is σ = 13657184513280. Its totient is φ = 10887319078272.

The previous prime is 12212023211209. The next prime is 12212023211257. The reversal of 12212023211231 is 13211232021221.

It is not a de Polignac number, because 12212023211231 - 2¹⁰ = 12212023210207 is a prime.

It is a super-2 number, since 2×12212023211231² (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 = 12212023211197 and 12212023211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212023211291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43144490 + ... + 43426616.

It is an arithmetic number, because the mean of its divisors is an integer number (569049354720).

Almost surely, 2^{12212023211231} is an apocalyptic number.

12212023211231 is a deficient number, since it is larger than the sum of its proper divisors (1445161302049).

12212023211231 is a wasteful number, since it uses less digits than its factorization.

12212023211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290063 (or 290046 counting only the distinct ones).

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

Adding to 12212023211231 its reverse (13211232021221), we get a palindrome (25423255232452).

The spelling of 12212023211231 in words is "twelve trillion, two hundred twelve billion, twenty-three million, two hundred eleven thousand, two hundred thirty-one".