1000120120002 has 32 divisors (see below), whose sum is σ = 2233022304960. Its totient is φ = 331793400960.

The previous prime is 1000120119989. The next prime is 1000120120033. The reversal of 1000120120002 is 2000210210001.

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 15 ways as a sum of consecutive naturals, for example, 43876623 + ... + 43899410.

It is an arithmetic number, because the mean of its divisors is an integer number (69781947030).

Almost surely, 2^{1000120120002} is an apocalyptic number.

1000120120002 is an abundant number, since it is smaller than the sum of its proper divisors (1232902184958).

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

1000120120002 is a wasteful number, since it uses less digits than its factorization.

1000120120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87776255 (or 87776249 counting only the distinct ones).

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

Adding to 1000120120002 its reverse (2000210210001), we get a palindrome (3000330330003).

The spelling of 1000120120002 in words is "one trillion, one hundred twenty million, one hundred twenty thousand, two".