2120312053412 has 72 divisors (see below), whose sum is σ = 4614618599808. Its totient is φ = 834391987200.

The previous prime is 2120312053397. The next prime is 2120312053487. The reversal of 2120312053412 is 2143502130212.

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, 2863664 + ... + 3527207.

Almost surely, 2^{2120312053412} is an apocalyptic number.

It is an amenable number.

2120312053412 is an abundant number, since it is smaller than the sum of its proper divisors (2494306546396).

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

2120312053412 is a wasteful number, since it uses less digits than its factorization.

2120312053412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390957 (or 6390938 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 2120312053412 its reverse (2143502130212), we get a palindrome (4263814183624).

The spelling of 2120312053412 in words is "two trillion, one hundred twenty billion, three hundred twelve million, fifty-three thousand, four hundred twelve".