1222210222120 has 32 divisors (see below), whose sum is σ = 2750017392000. Its totient is φ = 488876196928.

The previous prime is 1222210222109. The next prime is 1222210222139. The reversal of 1222210222120 is 212220122221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695581 + ... + 3116179.

It is an arithmetic number, because the mean of its divisors is an integer number (85938043500).

Almost surely, 2^{1222210222120} is an apocalyptic number.

1222210222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222210222120 is an abundant number, since it is smaller than the sum of its proper divisors (1527807169880).

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

1222210222120 is a wasteful number, since it uses less digits than its factorization.

1222210222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493257 (or 493253 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1222210222120 its reverse (212220122221), we get a palindrome (1434430344341).

The spelling of 1222210222120 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty".