120102100002 has 32 divisors (see below), whose sum is σ = 280940587200. Its totient is φ = 37926978624.

The previous prime is 120102099979. The next prime is 120102100049. The reversal of 120102100002 is 200001201021.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 58528263 + ... + 58530314.

It is an arithmetic number, because the mean of its divisors is an integer number (8779393350).

Almost surely, 2^120102100002 is an apocalyptic number.

120102100002 is an abundant number, since it is smaller than the sum of its proper divisors (160838487198).

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

120102100002 is a wasteful number, since it uses less digits than its factorization.

120102100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117058607 (or 117058601 counting only the distinct ones).

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

Adding to 120102100002 its reverse (200001201021), we get a palindrome (320103301023).

The spelling of 120102100002 in words is "one hundred twenty billion, one hundred two million, one hundred thousand, two".