12232221201131 has 16 divisors (see below), whose sum is σ = 13441771948800. Its totient is φ = 11079689610528.

The previous prime is 12232221201121. The next prime is 12232221201133. The reversal of 12232221201131 is 13110212223221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232221201131 is a prime.

It is a super-2 number, since 2×12232221201131² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12232221201097 and 12232221201106.

It is not an unprimeable number, because it can be changed into a prime (12232221201133) 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, 5176661 + ... + 7159766.

It is an arithmetic number, because the mean of its divisors is an integer number (840110746800).

Almost surely, 2^{12232221201131} is an apocalyptic number.

12232221201131 is a deficient number, since it is larger than the sum of its proper divisors (1209550747669).

12232221201131 is a wasteful number, since it uses less digits than its factorization.

12232221201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12338738.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12232221201131 its reverse (13110212223221), we get a palindrome (25342433424352).

The spelling of 12232221201131 in words is "twelve trillion, two hundred thirty-two billion, two hundred twenty-one million, two hundred one thousand, one hundred thirty-one".