12220013231132 has 24 divisors (see below), whose sum is σ = 24440465355264. Its totient is φ = 5237054479152.

The previous prime is 12220013231131. The next prime is 12220013231149. The reversal of 12220013231132 is 23113231002221.

It is a super-2 number, since 2×12220013231132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12220013231098 and 12220013231107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220013231131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320208 + ... + 5461079.

It is an arithmetic number, because the mean of its divisors is an integer number (1018352723136).

Almost surely, 2^{12220013231132} is an apocalyptic number.

It is an amenable number.

12220013231132 is an abundant number, since it is smaller than the sum of its proper divisors (12220452124132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220013231132 is a wasteful number, since it uses less digits than its factorization.

12220013231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837385 (or 7837383 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12220013231132 its reverse (23113231002221), we get a palindrome (35333244233353).

The spelling of 12220013231132 in words is "twelve trillion, two hundred twenty billion, thirteen million, two hundred thirty-one thousand, one hundred thirty-two".