12020120320200 has 96 divisors (see below), whose sum is σ = 37324374732960. Its totient is φ = 3200031936000.

The previous prime is 12020120320163. The next prime is 12020120320207. The reversal of 12020120320200 is 202302102021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12020120320200.

It is not an unprimeable number, because it can be changed into a prime (12020120320207) 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, 16306234 + ... + 17027433.

It is an arithmetic number, because the mean of its divisors is an integer number (388795570135).

Almost surely, 2^{12020120320200} is an apocalyptic number.

12020120320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020120320200 is an abundant number, since it is smaller than the sum of its proper divisors (25304254412760).

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

12020120320200 is a wasteful number, since it uses less digits than its factorization.

12020120320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33334287 (or 33334278 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12020120320200 its reverse (202302102021), we get a palindrome (12222422422221).

The spelling of 12020120320200 in words is "twelve trillion, twenty billion, one hundred twenty million, three hundred twenty thousand, two hundred".