2013123011112 has 48 divisors (see below), whose sum is σ = 5465158850580. Its totient is φ = 669447072000.

The previous prime is 2013123011093. The next prime is 2013123011149. The reversal of 2013123011112 is 2111103213102.

2013123011112 is a `hidden beast` number, since 201 + 312 + 30 + 11 + 112 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1949525232516 + 63597778596 = 1396254^2 + 252186^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33176389 + ... + 33237012.

Almost surely, 2^{2013123011112} is an apocalyptic number.

It is an amenable number.

2013123011112 is an abundant number, since it is smaller than the sum of its proper divisors (3452035839468).

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

2013123011112 is a wasteful number, since it uses less digits than its factorization.

2013123011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66413834 (or 66413827 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2013123011112 its reverse (2111103213102), we get a palindrome (4124226224214).

The spelling of 2013123011112 in words is "two trillion, thirteen billion, one hundred twenty-three million, eleven thousand, one hundred twelve".