1220200221200 has 120 divisors (see below), whose sum is σ = 3150303180192. Its totient is φ = 452513064960.

The previous prime is 1220200221173. The next prime is 1220200221203. The reversal of 1220200221200 is 21220020221.

It is not an unprimeable number, because it can be changed into a prime (1220200221203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 883514 + ... + 1794713.

Almost surely, 2^{1220200221200} is an apocalyptic number.

1220200221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220200221200 is an abundant number, since it is smaller than the sum of its proper divisors (1930102958992).

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

1220200221200 is a wasteful number, since it uses less digits than its factorization.

1220200221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678329 (or 2678318 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1220200221200 its reverse (21220020221), we get a palindrome (1241420241421).

The spelling of 1220200221200 in words is "one trillion, two hundred twenty billion, two hundred million, two hundred twenty-one thousand, two hundred".