1222210110120 has 128 divisors (see below), whose sum is σ = 3896034733440. Its totient is φ = 305666703360.

The previous prime is 1222210110067. The next prime is 1222210110169. The reversal of 1222210110120 is 210110122221.

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 1222210110120.

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, 481201 + ... + 1635840.

It is an arithmetic number, because the mean of its divisors is an integer number (30437771355).

Almost surely, 2^{1222210110120} is an apocalyptic number.

1222210110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222210110120 is an abundant number, since it is smaller than the sum of its proper divisors (2673824623320).

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

1222210110120 is a wasteful number, since it uses less digits than its factorization.

1222210110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117355 (or 2117351 counting only the distinct ones).

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

Adding to 1222210110120 its reverse (210110122221), we get a palindrome (1432320232341).

The spelling of 1222210110120 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, one hundred ten thousand, one hundred twenty".