12213331131 has 16 divisors (see below), whose sum is σ = 17992018944. Its totient is φ = 7330080384.

The previous prime is 12213331129. The next prime is 12213331189. The reversal of 12213331131 is 13113331221.

It is a happy number.

It is not a de Polignac number, because 12213331131 - 2¹ = 12213331129 is a prime.

It is a super-2 number, since 2×12213331131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12213331098 and 12213331107.

It is not an unprimeable number, because it can be changed into a prime (12213331231) 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, 5204851 + ... + 5207196.

It is an arithmetic number, because the mean of its divisors is an integer number (1124501184).

Almost surely, 2^12213331131 is an apocalyptic number.

12213331131 is a deficient number, since it is larger than the sum of its proper divisors (5778687813).

12213331131 is a wasteful number, since it uses less digits than its factorization.

12213331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10412090.

The product of its digits is 324, while the sum is 21.

Adding to 12213331131 its reverse (13113331221), we get a palindrome (25326662352).

The spelling of 12213331131 in words is "twelve billion, two hundred thirteen million, three hundred thirty-one thousand, one hundred thirty-one".