120021102221200 has 30 divisors (see below), whose sum is σ = 288350698087394. Its totient is φ = 48008440888320.

The previous prime is 120021102221143. The next prime is 120021102221213. The reversal of 120021102221200 is 2122201120021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1605876941824 + 118415225279376 = 1267232^2 + 10881876^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150026377377 + ... + 150026378176.

Almost surely, 2^{120021102221200} is an apocalyptic number.

120021102221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021102221200 is an abundant number, since it is smaller than the sum of its proper divisors (168329595866194).

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

120021102221200 is a wasteful number, since it uses less digits than its factorization.

120021102221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300052755571 (or 300052755560 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120021102221200 its reverse (2122201120021), we get a palindrome (122143303341221).

The spelling of 120021102221200 in words is "one hundred twenty trillion, twenty-one billion, one hundred two million, two hundred twenty-one thousand, two hundred".