12021120120000 has 140 divisors (see below), whose sum is σ = 39744628441496. Its totient is φ = 3205632000000.

The previous prime is 12021120119941. The next prime is 12021120120013. The reversal of 12021120120000 is 2102112021.

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 19 ways as a sum of consecutive naturals, for example, 49968001 + ... + 50208000.

Almost surely, 2^{12021120120000} is an apocalyptic number.

12021120120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021120120000 is an abundant number, since it is smaller than the sum of its proper divisors (27723508321496).

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

12021120120000 is an equidigital number, since it uses as much as digits as its factorization.

12021120120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100176036 (or 100176011 counting only the distinct ones).

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

Adding to 12021120120000 its reverse (2102112021), we get a palindrome (12023222232021).

The spelling of 12021120120000 in words is "twelve trillion, twenty-one billion, one hundred twenty million, one hundred twenty thousand".