1222032212112 has 80 divisors (see below), whose sum is σ = 3363107247360. Its totient is φ = 381255428736.

The previous prime is 1222032212111. The next prime is 1222032212143. The reversal of 1222032212112 is 2112122302221.

It is not an unprimeable number, because it can be changed into a prime (1222032212111) 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, 7996278 + ... + 8147669.

It is an arithmetic number, because the mean of its divisors is an integer number (42038840592).

Almost surely, 2^{1222032212112} is an apocalyptic number.

1222032212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222032212112 is an abundant number, since it is smaller than the sum of its proper divisors (2141075035248).

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

1222032212112 is a wasteful number, since it uses less digits than its factorization.

1222032212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16144060 (or 16144054 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1222032212112 its reverse (2112122302221), we get a palindrome (3334154514333).

The spelling of 1222032212112 in words is "one trillion, two hundred twenty-two billion, thirty-two million, two hundred twelve thousand, one hundred twelve".