1222011220112 has 60 divisors (see below), whose sum is σ = 2427281151504. Its totient is φ = 595671820800.

The previous prime is 1222011220097. The next prime is 1222011220139. The reversal of 1222011220112 is 2110221102221.

It is a super-2 number, since 2×1222011220112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241931987 + ... + 241937037.

Almost surely, 2^{1222011220112} is an apocalyptic number.

It is an amenable number.

1222011220112 is a deficient number, since it is larger than the sum of its proper divisors (1205269931392).

1222011220112 is an frugal number, since it uses more digits than its factorization.

1222011220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6288 (or 5689 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1222011220112 its reverse (2110221102221), we get a palindrome (3332232322333).

The spelling of 1222011220112 in words is "one trillion, two hundred twenty-two billion, eleven million, two hundred twenty thousand, one hundred twelve".