2012138 has 8 divisors (see below), whose sum is σ = 3177120. Its totient is φ = 953100.

The previous prime is 2012123. The next prime is 2012147. The reversal of 2012138 is 8312102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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, 26438 + ... + 26513.

It is an arithmetic number, because the mean of its divisors is an integer number (397140).

2^2012138 is an apocalyptic number.

2012138 is a deficient number, since it is larger than the sum of its proper divisors (1164982).

2012138 is a wasteful number, since it uses less digits than its factorization.

2012138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52972.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2012138 is about 1418.4985019379. The cubic root of 2012138 is about 126.2464731231.

The spelling of 2012138 in words is "two million, twelve thousand, one hundred thirty-eight".