1220311230200 has 48 divisors (see below), whose sum is σ = 2913905347080. Its totient is φ = 474931935360.

The previous prime is 1220311230191. The next prime is 1220311230247. The reversal of 1220311230200 is 20321130221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82446062 + ... + 82460861.

Almost surely, 2^{1220311230200} is an apocalyptic number.

1220311230200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220311230200 is an abundant number, since it is smaller than the sum of its proper divisors (1693594116880).

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

1220311230200 is a wasteful number, since it uses less digits than its factorization.

1220311230200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164906976 (or 164906967 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1220311230200 its reverse (20321130221), we get a palindrome (1240632360421).

The spelling of 1220311230200 in words is "one trillion, two hundred twenty billion, three hundred eleven million, two hundred thirty thousand, two hundred".