1220553033200 has 30 divisors (see below), whose sum is σ = 2932378663224. Its totient is φ = 488221213120.

The previous prime is 1220553033149. The next prime is 1220553033281. The reversal of 1220553033200 is 23303550221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220553033200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1525690892 + ... + 1525691691.

Almost surely, 2^{1220553033200} is an apocalyptic number.

1220553033200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220553033200 is an abundant number, since it is smaller than the sum of its proper divisors (1711825630024).

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

1220553033200 is a wasteful number, since it uses less digits than its factorization.

1220553033200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051382601 (or 3051382590 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 1220553033200 its reverse (23303550221), we get a palindrome (1243856583421).

The spelling of 1220553033200 in words is "one trillion, two hundred twenty billion, five hundred fifty-three million, thirty-three thousand, two hundred".