12221133230131 has 16 divisors (see below), whose sum is σ = 14146310845440. Its totient is φ = 10340827922880.

The previous prime is 12221133230083. The next prime is 12221133230233. The reversal of 12221133230131 is 13103233112221.

It is not a de Polignac number, because 12221133230131 - 2¹³ = 12221133221939 is a prime.

It is a super-2 number, since 2×12221133230131² (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 = 12221133230096 and 12221133230105.

It is not an unprimeable number, because it can be changed into a prime (12221133210131) 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, 1175016 + ... + 5081626.

It is an arithmetic number, because the mean of its divisors is an integer number (884144427840).

Almost surely, 2^{12221133230131} is an apocalyptic number.

12221133230131 is a deficient number, since it is larger than the sum of its proper divisors (1925177615309).

12221133230131 is an equidigital number, since it uses as much as digits as its factorization.

12221133230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912354.

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

Adding to 12221133230131 its reverse (13103233112221), we get a palindrome (25324366342352).

The spelling of 12221133230131 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred thirty thousand, one hundred thirty-one".