1222452323112 has 64 divisors (see below), whose sum is σ = 3205510513920. Its totient is φ = 388035456768.

The previous prime is 1222452323089. The next prime is 1222452323119. The reversal of 1222452323112 is 2113232542221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222452323112.

It is not an unprimeable number, because it can be changed into a prime (1222452323119) 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, 14603323 + ... + 14686794.

It is an arithmetic number, because the mean of its divisors is an integer number (50086101780).

Almost surely, 2^{1222452323112} is an apocalyptic number.

1222452323112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222452323112 is an abundant number, since it is smaller than the sum of its proper divisors (1983058190808).

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

1222452323112 is a wasteful number, since it uses less digits than its factorization.

1222452323112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29290210 (or 29290206 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

Adding to 1222452323112 its reverse (2113232542221), we get a palindrome (3335684865333).

The spelling of 1222452323112 in words is "one trillion, two hundred twenty-two billion, four hundred fifty-two million, three hundred twenty-three thousand, one hundred twelve".