2123512 has 16 divisors (see below), whose sum is σ = 4074840. Its totient is φ = 1036896.

The previous prime is 2123491. The next prime is 2123557. The reversal of 2123512 is 2153212.

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, 2743 + ... + 3430.

2^2123512 is an apocalyptic number.

It is an amenable number.

2123512 is a deficient number, since it is larger than the sum of its proper divisors (1951328).

2123512 is a wasteful number, since it uses less digits than its factorization.

2123512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222 (or 6218 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 2123512 is about 1457.2275045442. The cubic root of 2123512 is about 128.5340641572.

Adding to 2123512 its reverse (2153212), we get a palindrome (4276724).

The spelling of 2123512 in words is "two million, one hundred twenty-three thousand, five hundred twelve".