1122210012120 has 128 divisors (see below), whose sum is σ = 3427570598400. Its totient is φ = 293850561536.

The previous prime is 1122210012113. The next prime is 1122210012199. The reversal of 1122210012120 is 212100122211.

It is a super-2 number, since 2×1122210012120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1122210012120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6190612 + ... + 6369308.

It is an arithmetic number, because the mean of its divisors is an integer number (26777895300).

Almost surely, 2^{1122210012120} is an apocalyptic number.

1122210012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122210012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713785299200).

1122210012120 is an abundant number, since it is smaller than the sum of its proper divisors (2305360586280).

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

1122210012120 is a wasteful number, since it uses less digits than its factorization.

1122210012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179657 (or 179653 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1122210012120 its reverse (212100122211), we get a palindrome (1334310134331).

The spelling of 1122210012120 in words is "one trillion, one hundred twenty-two billion, two hundred ten million, twelve thousand, one hundred twenty".