2013012112 has 20 divisors (see below), whose sum is σ = 3902702716. Its totient is φ = 1005863040.

The previous prime is 2013012101. The next prime is 2013012151. The reversal of 2013012112 is 2112103102.

It can be written as a sum of positive squares in 2 ways, for example, as 353590416 + 1659421696 = 18804^2 + 40736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2013012092 and 2013012101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13839 + ... + 64942.

Almost surely, 2^2013012112 is an apocalyptic number.

It is an amenable number.

2013012112 is a deficient number, since it is larger than the sum of its proper divisors (1889690604).

2013012112 is a wasteful number, since it uses less digits than its factorization.

2013012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80386 (or 80380 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2013012112 is about 44866.6035264538. The cubic root of 2013012112 is about 1262.6475178669.

Adding to 2013012112 its reverse (2112103102), we get a palindrome (4125115214).

The spelling of 2013012112 in words is "two billion, thirteen million, twelve thousand, one hundred twelve".