120120200100000 has 576 divisors, whose sum is σ = 438361853045760. Its totient is φ = 31999017600000.

The previous prime is 120120200099971. The next prime is 120120200100067. The reversal of 120120200100000 is 1002021021.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 2675677554 + ... + 2675722446.

It is an arithmetic number, because the mean of its divisors is an integer number (761044883760).

Almost surely, 2^{120120200100000} is an apocalyptic number.

120120200100000 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 120120200100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219180926522880).

120120200100000 is an abundant number, since it is smaller than the sum of its proper divisors (318241652945760).

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

120120200100000 is an frugal number, since it uses more digits than its factorization.

120120200100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45928 (or 45894 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120120200100000 its reverse (1002021021), we get a palindrome (120121202121021).

The spelling of 120120200100000 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred million, one hundred thousand".