120021213112200 has 144 divisors (see below), whose sum is σ = 413965058247780. Its totient is φ = 31140639060480.

The previous prime is 120021213112189. The next prime is 120021213112259. The reversal of 120021213112200 is 2211312120021.

120021213112200 is a `hidden beast` number, since 1 + 200 + 21 + 213 + 11 + 220 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 41649959727684 + 78371253384516 = 6453678^2 + 8852754^2 .

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, 900993559 + ... + 901126758.

Almost surely, 2^{120021213112200} is an apocalyptic number.

120021213112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021213112200 is an abundant number, since it is smaller than the sum of its proper divisors (293943845135580).

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

120021213112200 is a wasteful number, since it uses less digits than its factorization.

120021213112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802120376 (or 1802120364 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 120021213112200 its reverse (2211312120021), we get a palindrome (122232525232221).

The spelling of 120021213112200 in words is "one hundred twenty trillion, twenty-one billion, two hundred thirteen million, one hundred twelve thousand, two hundred".