1222413231512 has 16 divisors (see below), whose sum is σ = 2500390701000. Its totient is φ = 555642377920.

The previous prime is 1222413231493. The next prime is 1222413231673. The reversal of 1222413231512 is 2151323142221.

It is a super-2 number, since 2×1222413231512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6945529637 + ... + 6945529812.

Almost surely, 2^{1222413231512} is an apocalyptic number.

It is an amenable number.

1222413231512 is an abundant number, since it is smaller than the sum of its proper divisors (1277977469488).

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

1222413231512 is a wasteful number, since it uses less digits than its factorization.

1222413231512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13891059466 (or 13891059462 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 1222413231512 its reverse (2151323142221), we get a palindrome (3373736373733).

The spelling of 1222413231512 in words is "one trillion, two hundred twenty-two billion, four hundred thirteen million, two hundred thirty-one thousand, five hundred twelve".