12212133023131 has 4 divisors (see below), whose sum is σ = 12212274386664. Its totient is φ = 12211991659600.

The previous prime is 12212133023009. The next prime is 12212133023161. The reversal of 12212133023131 is 13132033121221.

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 12212133023131 - 2²⁷ = 12211998805403 is a prime.

It is a super-2 number, since 2×12212133023131² (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 = 12212133023096 and 12212133023105.

It is not an unprimeable number, because it can be changed into a prime (12212133023161) 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, 70552105 + ... + 70724986.

It is an arithmetic number, because the mean of its divisors is an integer number (3053068596666).

Almost surely, 2^{12212133023131} is an apocalyptic number.

12212133023131 is a deficient number, since it is larger than the sum of its proper divisors (141363533).

12212133023131 is an equidigital number, since it uses as much as digits as its factorization.

12212133023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141363532.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12212133023131 its reverse (13132033121221), we get a palindrome (25344166144352).

The spelling of 12212133023131 in words is "twelve trillion, two hundred twelve billion, one hundred thirty-three million, twenty-three thousand, one hundred thirty-one".