2129612 has 6 divisors (see below), whose sum is σ = 3726828. Its totient is φ = 1064804.

The previous prime is 2129599. The next prime is 2129627. The reversal of 2129612 is 2169212.

2129612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266198 + ... + 266205.

It is an arithmetic number, because the mean of its divisors is an integer number (621138).

2^2129612 is an apocalyptic number.

It is an amenable number.

2129612 is a deficient number, since it is larger than the sum of its proper divisors (1597216).

2129612 is a wasteful number, since it uses less digits than its factorization.

2129612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532407 (or 532405 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 2129612 is about 1459.3190192689. The cubic root of 2129612 is about 128.6570221353.

It can be divided in two parts, 21296 and 12, that multiplied together give a palindrome (255552).

The spelling of 2129612 in words is "two million, one hundred twenty-nine thousand, six hundred twelve".