120121021012000 has 96 divisors (see below), whose sum is σ = 295534579826304. Its totient is φ = 47983739104000.

The previous prime is 120121021011941. The next prime is 120121021012087. The reversal of 120121021012000 is 210120121021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17236786 + ... + 23180785.

It is an arithmetic number, because the mean of its divisors is an integer number (3078485206524).

Almost surely, 2^{120121021012000} is an apocalyptic number.

120121021012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121021012000 is an abundant number, since it is smaller than the sum of its proper divisors (175413558814304).

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

120121021012000 is an equidigital number, since it uses as much as digits as its factorization.

120121021012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40418339 (or 40418321 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120121021012000 its reverse (210120121021), we get a palindrome (120331141133021).

The spelling of 120121021012000 in words is "one hundred twenty trillion, one hundred twenty-one billion, twenty-one million, twelve thousand".