1232021220112 has 80 divisors (see below), whose sum is σ = 2412319708800. Its totient is φ = 609530895360.

The previous prime is 1232021220097. The next prime is 1232021220113. The reversal of 1232021220112 is 2110221202321.

It is a super-2 number, since 2×1232021220112² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1232021220112.

It is not an unprimeable number, because it can be changed into a prime (1232021220113) 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, 672867037 + ... + 672868867.

It is an arithmetic number, because the mean of its divisors is an integer number (30153996360).

Almost surely, 2^{1232021220112} is an apocalyptic number.

It is an amenable number.

1232021220112 is a deficient number, since it is larger than the sum of its proper divisors (1180298488688).

1232021220112 is a wasteful number, since it uses less digits than its factorization.

1232021220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1232021220112 its reverse (2110221202321), we get a palindrome (3342242422433).

The spelling of 1232021220112 in words is "one trillion, two hundred thirty-two billion, twenty-one million, two hundred twenty thousand, one hundred twelve".