12202331131 has 4 divisors (see below), whose sum is σ = 12623101200. Its totient is φ = 11781561064.

The previous prime is 12202331123. The next prime is 12202331137. The reversal of 12202331131 is 13113320221.

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 12202331131 - 2³ = 12202331123 is a prime.

It is a super-2 number, since 2×12202331131² (a number of 21 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 = 12202331099 and 12202331108.

It is not an unprimeable number, because it can be changed into a prime (12202331137) 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, 210384991 + ... + 210385048.

It is an arithmetic number, because the mean of its divisors is an integer number (3155775300).

Almost surely, 2^12202331131 is an apocalyptic number.

12202331131 is a deficient number, since it is larger than the sum of its proper divisors (420770069).

12202331131 is an equidigital number, since it uses as much as digits as its factorization.

12202331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420770068.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12202331131 its reverse (13113320221), we get a palindrome (25315651352).

The spelling of 12202331131 in words is "twelve billion, two hundred two million, three hundred thirty-one thousand, one hundred thirty-one".