2131612 has 12 divisors (see below), whose sum is σ = 4263280. Its totient is φ = 913536.

The previous prime is 2131609. The next prime is 2131627. The reversal of 2131612 is 2161312.

2131612 is an admirable number.

It is a congruent 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, 38037 + ... + 38092.

2^2131612 is an apocalyptic number.

It is an amenable number.

2131612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2131612 is a wasteful number, since it uses less digits than its factorization.

2131612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76140 (or 76138 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 2131612 is about 1460.0041095833. The cubic root of 2131612 is about 128.6972851089.

Adding to 2131612 its reverse (2161312), we get a palindrome (4292924).

The spelling of 2131612 in words is "two million, one hundred thirty-one thousand, six hundred twelve".