2140212 has 12 divisors (see below), whose sum is σ = 4993856. Its totient is φ = 713400.

The previous prime is 2140207. The next prime is 2140223. The reversal of 2140212 is 2120412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 178351 = 2140212 / (2 + 1 + 4 + 0 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 89164 + ... + 89187.

2^2140212 is an apocalyptic number.

It is an amenable number.

2140212 is an abundant number, since it is smaller than the sum of its proper divisors (2853644).

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

2140212 is a wasteful number, since it uses less digits than its factorization.

2140212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178358 (or 178356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2140212 is about 1462.9463421466. The cubic root of 2140212 is about 128.8701294977.

Adding to 2140212 its reverse (2120412), we get a palindrome (4260624).

The spelling of 2140212 in words is "two million, one hundred forty thousand, two hundred twelve".