120221201221200 has 360 divisors, whose sum is σ = 445509382955520. Its totient is φ = 29955003724800.

The previous prime is 120221201221159. The next prime is 120221201221211. The reversal of 120221201221200 is 2122102122021.

It is a happy number.

120221201221200 is a `hidden beast` number, since 1 + 2 + 0 + 221 + 20 + 1 + 221 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15336892 + ... + 21809691.

Almost surely, 2^{120221201221200} is an apocalyptic number.

120221201221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221201221200 is an abundant number, since it is smaller than the sum of its proper divisors (325288181734320).

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

120221201221200 is a wasteful number, since it uses less digits than its factorization.

120221201221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37146667 (or 37146653 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120221201221200 its reverse (2122102122021), we get a palindrome (122343303343221).

The spelling of 120221201221200 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty-one thousand, two hundred".