120002001284 has 48 divisors (see below), whose sum is σ = 249126917760. Its totient is φ = 49950236160.

The previous prime is 120002001283. The next prime is 120002001289. The reversal of 120002001284 is 482100200021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120002001283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2140304 + ... + 2195655.

It is an arithmetic number, because the mean of its divisors is an integer number (5190144120).

Almost surely, 2^120002001284 is an apocalyptic number.

It is an amenable number.

120002001284 is an abundant number, since it is smaller than the sum of its proper divisors (129124916476).

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

120002001284 is a wasteful number, since it uses less digits than its factorization.

120002001284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336028 (or 4336026 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The spelling of 120002001284 in words is "one hundred twenty billion, two million, one thousand, two hundred eighty-four".