120321100120200 has 384 divisors, whose sum is σ = 427913649273600. Its totient is φ = 27396643553280.

The previous prime is 120321100120183. The next prime is 120321100120223. The reversal of 120321100120200 is 2021001123021.

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 120321100120200.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7279385536 + ... + 7279402064.

It is an arithmetic number, because the mean of its divisors is an integer number (1114358461650).

Almost surely, 2^{120321100120200} is an apocalyptic number.

120321100120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120321100120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213956824636800).

120321100120200 is an abundant number, since it is smaller than the sum of its proper divisors (307592549153400).

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

120321100120200 is a wasteful number, since it uses less digits than its factorization.

120321100120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23089 (or 23080 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120321100120200 its reverse (2021001123021), we get a palindrome (122342101243221).

The spelling of 120321100120200 in words is "one hundred twenty trillion, three hundred twenty-one billion, one hundred million, one hundred twenty thousand, two hundred".