2013120012 has 24 divisors (see below), whose sum is σ = 4718350336. Its totient is φ = 668029968.

The previous prime is 2013120007. The next prime is 2013120023. The reversal of 2013120012 is 2100213102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2013120012.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 373468 + ... + 378819.

Almost surely, 2^2013120012 is an apocalyptic number.

It is an amenable number.

2013120012 is an abundant number, since it is smaller than the sum of its proper divisors (2705230324).

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

2013120012 is a wasteful number, since it uses less digits than its factorization.

2013120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752517 (or 752515 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2013120012 is about 44867.8059637420. The cubic root of 2013120012 is about 1262.6700772995.

Adding to 2013120012 its reverse (2100213102), we get a palindrome (4113333114).

It can be divided in two parts, 201 and 3120012, that added together give a palindrome (3120213).

The spelling of 2013120012 in words is "two billion, thirteen million, one hundred twenty thousand, twelve".