12022112131 has 4 divisors (see below), whose sum is σ = 12022514512. Its totient is φ = 12021709752.

The previous prime is 12022112057. The next prime is 12022112147. The reversal of 12022112131 is 13121122021.

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 12022112131 - 2¹³ = 12022103939 is a prime.

It is a super-2 number, since 2×12022112131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022112171) 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, 152436 + ... + 217441.

It is an arithmetic number, because the mean of its divisors is an integer number (3005628628).

Almost surely, 2^12022112131 is an apocalyptic number.

12022112131 is a deficient number, since it is larger than the sum of its proper divisors (402381).

12022112131 is an equidigital number, since it uses as much as digits as its factorization.

12022112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402380.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12022112131 its reverse (13121122021), we get a palindrome (25143234152).

The spelling of 12022112131 in words is "twelve billion, twenty-two million, one hundred twelve thousand, one hundred thirty-one".