120201002120 has 32 divisors (see below), whose sum is σ = 270510822720. Its totient is φ = 48069988800.

The previous prime is 120201002107. The next prime is 120201002123. The reversal of 120201002120 is 21200102021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120201002123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137012 + ... + 509091.

It is an arithmetic number, because the mean of its divisors is an integer number (8453463210).

Almost surely, 2^120201002120 is an apocalyptic number.

120201002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201002120 is an abundant number, since it is smaller than the sum of its proper divisors (150309820600).

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

120201002120 is a wasteful number, since it uses less digits than its factorization.

120201002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650765 (or 650761 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120201002120 its reverse (21200102021), we get a palindrome (141401104141).

Subtracting from 120201002120 its reverse (21200102021), we obtain a palindrome (99000900099).

The spelling of 120201002120 in words is "one hundred twenty billion, two hundred one million, two thousand, one hundred twenty".