120100200120 has 80 divisors (see below), whose sum is σ = 403670127960. Its totient is φ = 32026719168.

The previous prime is 120100200053. The next prime is 120100200131. The reversal of 120100200120 is 21002001021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18530742 + ... + 18537221.

Almost surely, 2^120100200120 is an apocalyptic number.

120100200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100200120 is an abundant number, since it is smaller than the sum of its proper divisors (283569927840).

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

120100200120 is a wasteful number, since it uses less digits than its factorization.

120100200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37067986 (or 37067973 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120100200120 its reverse (21002001021), we get a palindrome (141102201141).

The spelling of 120100200120 in words is "one hundred twenty billion, one hundred million, two hundred thousand, one hundred twenty".