2120301312012 has 72 divisors (see below), whose sum is σ = 5773852134960. Its totient is φ = 652183297920.

The previous prime is 2120301311897. The next prime is 2120301312071. The reversal of 2120301312012 is 2102131030212.

2120301312012 is a `hidden beast` number, since 21 + 20 + 301 + 312 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 656814 + ... + 2161482.

Almost surely, 2^{2120301312012} is an apocalyptic number.

It is an amenable number.

2120301312012 is an abundant number, since it is smaller than the sum of its proper divisors (3653550822948).

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

2120301312012 is a wasteful number, since it uses less digits than its factorization.

2120301312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507703 (or 1507698 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2120301312012 its reverse (2102131030212), we get a palindrome (4222432342224).

The spelling of 2120301312012 in words is "two trillion, one hundred twenty billion, three hundred one million, three hundred twelve thousand, twelve".