2130612 has 24 divisors (see below), whose sum is σ = 5423712. Its totient is φ = 645600.

The previous prime is 2130581. The next prime is 2130613. The reversal of 2130612 is 2160312.

It is a junction number, because it is equal to n+sod(n) for n = 2130591 and 2130600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7939 + ... + 8202.

It is an arithmetic number, because the mean of its divisors is an integer number (225988).

2^2130612 is an apocalyptic number.

2130612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2130612 is an abundant number, since it is smaller than the sum of its proper divisors (3293100).

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

2130612 is a wasteful number, since it uses less digits than its factorization.

2130612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16159 (or 16157 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2130612 is about 1459.6616046194. The cubic root of 2130612 is about 128.6771567716.

Adding to 2130612 its reverse (2160312), we get a palindrome (4290924).

The spelling of 2130612 in words is "two million, one hundred thirty thousand, six hundred twelve".