212007853 has 4 divisors (see below), whose sum is σ = 218846848. Its totient is φ = 205168860.

The previous prime is 212007847. The next prime is 212007857. The reversal of 212007853 is 358700212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212007853 - 2⁵ = 212007821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212007857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3419451 + ... + 3419512.

It is an arithmetic number, because the mean of its divisors is an integer number (54711712).

Almost surely, 2^212007853 is an apocalyptic number.

It is an amenable number.

212007853 is a deficient number, since it is larger than the sum of its proper divisors (6838995).

212007853 is an equidigital number, since it uses as much as digits as its factorization.

212007853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6838994.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 212007853 is about 14560.4894491909. The cubic root of 212007853 is about 596.2805581574.

The spelling of 212007853 in words is "two hundred twelve million, seven thousand, eight hundred fifty-three".