1220122241212 has 48 divisors (see below), whose sum is σ = 2444193024448. Its totient is φ = 522063843840.

The previous prime is 1220122241209. The next prime is 1220122241227. The reversal of 1220122241212 is 2121422210221.

It is a super-2 number, since 2×1220122241212² (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 15 ways as a sum of consecutive naturals, for example, 97940488 + ... + 97952944.

Almost surely, 2^{1220122241212} is an apocalyptic number.

It is an amenable number.

1220122241212 is an abundant number, since it is smaller than the sum of its proper divisors (1224070783236).

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

1220122241212 is a wasteful number, since it uses less digits than its factorization.

1220122241212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17846 (or 17844 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1220122241212 its reverse (2121422210221), we get a palindrome (3341544451433).

The spelling of 1220122241212 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, two hundred forty-one thousand, two hundred twelve".