120121010120200 has 144 divisors (see below), whose sum is σ = 289521185239440. Its totient is φ = 46346971996800.

The previous prime is 120121010120197. The next prime is 120121010120219. The reversal of 120121010120200 is 2021010121021.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57987519 + ... + 60023281.

It is an arithmetic number, because the mean of its divisors is an integer number (2010563786385).

Almost surely, 2^{120121010120200} is an apocalyptic number.

120121010120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120121010120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144760592619720).

120121010120200 is an abundant number, since it is smaller than the sum of its proper divisors (169400175119240).

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

120121010120200 is a wasteful number, since it uses less digits than its factorization.

120121010120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036148 (or 2036108 counting only the distinct ones).

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

Adding to 120121010120200 its reverse (2021010121021), we get a palindrome (122142020241221).

The spelling of 120121010120200 in words is "one hundred twenty trillion, one hundred twenty-one billion, ten million, one hundred twenty thousand, two hundred".