120021313120200 has 144 divisors (see below), whose sum is σ = 403247835070080. Its totient is φ = 31991687786880.

The previous prime is 120021313120199. The next prime is 120021313120243. The reversal of 120021313120200 is 2021313120021.

120021313120200 is a `hidden beast` number, since 1 + 20 + 0 + 2 + 131 + 312 + 0 + 200 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10461124 + ... + 18694323.

Almost surely, 2^{120021313120200} is an apocalyptic number.

120021313120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021313120200 is an abundant number, since it is smaller than the sum of its proper divisors (283226521949880).

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

120021313120200 is a wasteful number, since it uses less digits than its factorization.

120021313120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29157756 (or 29157744 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120021313120200 its reverse (2021313120021), we get a palindrome (122042626240221).

The spelling of 120021313120200 in words is "one hundred twenty trillion, twenty-one billion, three hundred thirteen million, one hundred twenty thousand, two hundred".