120002020202100 has 144 divisors (see below), whose sum is σ = 357076291015808. Its totient is φ = 31093180162560.

The previous prime is 120002020202087. The next prime is 120002020202117. The reversal of 120002020202100 is 1202020200021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 761817 + ... + 15510783.

Almost surely, 2^{120002020202100} is an apocalyptic number.

120002020202100 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 120002020202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178538145507904).

120002020202100 is an abundant number, since it is smaller than the sum of its proper divisors (237074270813708).

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

120002020202100 is a wasteful number, since it uses less digits than its factorization.

120002020202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14749754 (or 14749747 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 120002020202100 its reverse (1202020200021), we get a palindrome (121204040402121).

The spelling of 120002020202100 in words is "one hundred twenty trillion, two billion, twenty million, two hundred two thousand, one hundred".