2129212 has 12 divisors (see below), whose sum is σ = 3817296. Its totient is φ = 1038560.

The previous prime is 2129207. The next prime is 2129213.

2129212 is nontrivially palindromic in base 10.

2129212 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 a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2129212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129213) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6328 + ... + 6655.

It is an arithmetic number, because the mean of its divisors is an integer number (318108).

2^2129212 is an apocalyptic number.

It is an amenable number.

2129212 is a deficient number, since it is larger than the sum of its proper divisors (1688084).

2129212 is a wasteful number, since it uses less digits than its factorization.

2129212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13028 (or 13026 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 2129212 is about 1459.1819626078. The cubic root of 2129212 is about 128.6489665159.

The spelling of 2129212 in words is "two million, one hundred twenty-nine thousand, two hundred twelve".