120100012002 has 36 divisors (see below), whose sum is σ = 262768014054. Its totient is φ = 39644601120.

The previous prime is 120100011989. The next prime is 120100012037. The reversal of 120100012002 is 200210001021.

It can be written as a sum of positive squares in only one way, i.e., 72103527441 + 47996484561 = 268521^2 + 219081^2 .

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 17 ways as a sum of consecutive naturals, for example, 123499 + ... + 505422.

Almost surely, 2^120100012002 is an apocalyptic number.

120100012002 is an abundant number, since it is smaller than the sum of its proper divisors (142668002052).

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

120100012002 is a wasteful number, since it uses less digits than its factorization.

120100012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629135 (or 629029 counting only the distinct ones).

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

Adding to 120100012002 its reverse (200210001021), we get a palindrome (320310013023).

The spelling of 120100012002 in words is "one hundred twenty billion, one hundred million, twelve thousand, two".