120001100202 has 12 divisors (see below), whose sum is σ = 260002383810. Its totient is φ = 40000366728.

The previous prime is 120001100171. The next prime is 120001100213. The reversal of 120001100202 is 202001100021.

It can be written as a sum of positive squares in only one way, i.e., 82724689161 + 37276411041 = 287619^2 + 193071^2 .

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 (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3333363877 + ... + 3333363912.

Almost surely, 2^120001100202 is an apocalyptic number.

120001100202 is an abundant number, since it is smaller than the sum of its proper divisors (140001283608).

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

120001100202 is a wasteful number, since it uses less digits than its factorization.

120001100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6666727797 (or 6666727794 counting only the distinct ones).

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

Adding to 120001100202 its reverse (202001100021), we get a palindrome (322002200223).

The spelling of 120001100202 in words is "one hundred twenty billion, one million, one hundred thousand, two hundred two".