1222211425120 has 96 divisors (see below), whose sum is σ = 3300649466688. Its totient is φ = 418957744128.

The previous prime is 1222211425091. The next prime is 1222211425213. The reversal of 1222211425120 is 215241122221.

It is a super-2 number, since 2×1222211425120² (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, 5460042 + ... + 5679478.

It is an arithmetic number, because the mean of its divisors is an integer number (34381765278).

Almost surely, 2^{1222211425120} is an apocalyptic number.

1222211425120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222211425120 is an abundant number, since it is smaller than the sum of its proper divisors (2078438041568).

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

1222211425120 is a wasteful number, since it uses less digits than its factorization.

1222211425120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224432 (or 224424 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 1222211425120 its reverse (215241122221), we get a palindrome (1437452547341).

The spelling of 1222211425120 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, four hundred twenty-five thousand, one hundred twenty".