1200201200220 has 96 divisors (see below), whose sum is σ = 3677634648576. Its totient is φ = 290039968000.

The previous prime is 1200201200201. The next prime is 1200201200227. The reversal of 1200201200220 is 220021020021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1200201200196 and 1200201200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200201200227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2659056 + ... + 3077495.

It is an arithmetic number, because the mean of its divisors is an integer number (38308694256).

Almost surely, 2^{1200201200220} is an apocalyptic number.

1200201200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200201200220 is an abundant number, since it is smaller than the sum of its proper divisors (2477433448356).

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

1200201200220 is a wasteful number, since it uses less digits than its factorization.

1200201200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736891 (or 5736889 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1200201200220 its reverse (220021020021), we get a palindrome (1420222220241).

The spelling of 1200201200220 in words is "one trillion, two hundred billion, two hundred one million, two hundred thousand, two hundred twenty".