1220022200000 has 84 divisors (see below), whose sum is σ = 3026033758944. Its totient is φ = 488008800000.

The previous prime is 1220022199993. The next prime is 1220022200011. The reversal of 1220022200000 is 22200221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2850056 + ... + 3250055.

It is an arithmetic number, because the mean of its divisors is an integer number (36024211416).

Almost surely, 2^{1220022200000} is an apocalyptic number.

1220022200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220022200000 is an abundant number, since it is smaller than the sum of its proper divisors (1806011558944).

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

1220022200000 is an frugal number, since it uses more digits than its factorization.

1220022200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100148 (or 6100118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 1220022200000 its reverse (22200221), we get a palindrome (1220044400221).

The spelling of 1220022200000 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred thousand".