12112022121232 has 40 divisors (see below), whose sum is σ = 25607728188000. Its totient is φ = 5503890881280.

The previous prime is 12112022121187. The next prime is 12112022121239. The reversal of 12112022121232 is 23212122021121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12112022121239) 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, 9218173 + ... + 10449820.

It is an arithmetic number, because the mean of its divisors is an integer number (640193204700).

Almost surely, 2^{12112022121232} is an apocalyptic number.

It is an amenable number.

12112022121232 is an abundant number, since it is smaller than the sum of its proper divisors (13495706066768).

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

12112022121232 is a wasteful number, since it uses less digits than its factorization.

12112022121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671511 (or 19671505 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12112022121232 its reverse (23212122021121), we get a palindrome (35324144142353).

The spelling of 12112022121232 in words is "twelve trillion, one hundred twelve billion, twenty-two million, one hundred twenty-one thousand, two hundred thirty-two".