1220012013200 has 60 divisors (see below), whose sum is σ = 2999243528688. Its totient is φ = 476655849600.

The previous prime is 1220012013139. The next prime is 1220012013211. The reversal of 1220012013200 is 23102100221.

It is a happy number.

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, 35448266 + ... + 35482665.

Almost surely, 2^{1220012013200} is an apocalyptic number.

1220012013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220012013200 is an abundant number, since it is smaller than the sum of its proper divisors (1779231515488).

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

1220012013200 is a wasteful number, since it uses less digits than its factorization.

1220012013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70930992 (or 70930981 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1220012013200 its reverse (23102100221), we get a palindrome (1243114113421).

The spelling of 1220012013200 in words is "one trillion, two hundred twenty billion, twelve million, thirteen thousand, two hundred".