120121011200 has 66 divisors (see below), whose sum is σ = 297754712196. Its totient is φ = 48048394240.

The previous prime is 120121011181. The next prime is 120121011221. The reversal of 120121011200 is 2110121021.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2320514 + ... + 2371713.

Almost surely, 2^120121011200 is an apocalyptic number.

120121011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121011200 is an abundant number, since it is smaller than the sum of its proper divisors (177633700996).

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

120121011200 is an equidigital number, since it uses as much as digits as its factorization.

120121011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692257 (or 4692234 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120121011200 its reverse (2110121021), we get a palindrome (122231132221).

The spelling of 120121011200 in words is "one hundred twenty billion, one hundred twenty-one million, eleven thousand, two hundred".