120011021200000 has 192 divisors, whose sum is σ = 341527372099200. Its totient is φ = 41146634880000.

The previous prime is 120011021199997. The next prime is 120011021200039. The reversal of 120011021200000 is 2120110021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 120011021200000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18630540 + ... + 24230539.

It is an arithmetic number, because the mean of its divisors is an integer number (1778788396350).

Almost surely, 2^{120011021200000} is an apocalyptic number.

120011021200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011021200000 is an abundant number, since it is smaller than the sum of its proper divisors (221516350899200).

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

120011021200000 is an frugal number, since it uses more digits than its factorization.

120011021200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42861125 (or 42861093 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120011021200000 its reverse (2120110021), we get a palindrome (120013141310021).

The spelling of 120011021200000 in words is "one hundred twenty trillion, eleven billion, twenty-one million, two hundred thousand".