1220200022000 has 80 divisors (see below), whose sum is σ = 2950759023264. Its totient is φ = 488027840000.

The previous prime is 1220200021981. The next prime is 1220200022039. The reversal of 1220200022000 is 2200020221.

It is a tau number, because it is divible by the number of its divisors (80).

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, 22615055 + ... + 22668945.

Almost surely, 2^{1220200022000} is an apocalyptic number.

1220200022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220200022000 is an abundant number, since it is smaller than the sum of its proper divisors (1730559001264).

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

1220200022000 is a wasteful number, since it uses less digits than its factorization.

1220200022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65235 (or 65219 counting only the distinct ones).

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

Adding to 1220200022000 its reverse (2200020221), we get a palindrome (1222400042221).

The spelling of 1220200022000 in words is "one trillion, two hundred twenty billion, two hundred million, twenty-two thousand".