120021002011200 has 84 divisors (see below), whose sum is σ = 393768904114160. Its totient is φ = 32005600535040.

The previous prime is 120021002011189. The next prime is 120021002011231. The reversal of 120021002011200 is 2110200120021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12502182910 + ... + 12502192509.

Almost surely, 2^{120021002011200} is an apocalyptic number.

120021002011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021002011200 is an abundant number, since it is smaller than the sum of its proper divisors (273747902102960).

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

120021002011200 is a wasteful number, since it uses less digits than its factorization.

120021002011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25004375444 (or 25004375429 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120021002011200 its reverse (2110200120021), we get a palindrome (122131202131221).

The spelling of 120021002011200 in words is "one hundred twenty trillion, twenty-one billion, two million, eleven thousand, two hundred".