120102020120 has 32 divisors (see below), whose sum is σ = 270581018400. Its totient is φ = 47978323968.

The previous prime is 120102020047. The next prime is 120102020123. The reversal of 120102020120 is 21020201021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102020123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1921484 + ... + 1983003.

It is an arithmetic number, because the mean of its divisors is an integer number (8455656825).

Almost surely, 2^120102020120 is an apocalyptic number.

120102020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102020120 is an abundant number, since it is smaller than the sum of its proper divisors (150478998280).

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

120102020120 is a wasteful number, since it uses less digits than its factorization.

120102020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905267 (or 3905263 counting only the distinct ones).

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

Adding to 120102020120 its reverse (21020201021), we get a palindrome (141122221141).

The spelling of 120102020120 in words is "one hundred twenty billion, one hundred two million, twenty thousand, one hundred twenty".