120012020002 has 48 divisors (see below), whose sum is σ = 213828557400. Its totient is φ = 50358454272.

The previous prime is 120012019997. The next prime is 120012020017. The reversal of 120012020002 is 200020210021.

It can be written as a sum of positive squares in 4 ways, for example, as 79434349281 + 40577670721 = 281841^2 + 201439^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 918874 + ... + 1041322.

Almost surely, 2^120012020002 is an apocalyptic number.

120012020002 is a deficient number, since it is larger than the sum of its proper divisors (93816537398).

120012020002 is a wasteful number, since it uses less digits than its factorization.

120012020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122675 (or 122668 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 120012020002 its reverse (200020210021), we get a palindrome (320032230023).

The spelling of 120012020002 in words is "one hundred twenty billion, twelve million, twenty thousand, two".