212074199 has 4 divisors (see below), whose sum is σ = 216586464. Its totient is φ = 207561936.

The previous prime is 212074189. The next prime is 212074207. The reversal of 212074199 is 991470212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212074199 - 2⁸ = 212073943 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 (212074169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256062 + ... + 2256155.

It is an arithmetic number, because the mean of its divisors is an integer number (54146616).

Almost surely, 2^212074199 is an apocalyptic number.

212074199 is a deficient number, since it is larger than the sum of its proper divisors (4512265).

212074199 is an equidigital number, since it uses as much as digits as its factorization.

212074199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512264.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 212074199 is about 14562.7675597738. The cubic root of 212074199 is about 596.3427519289.

The spelling of 212074199 in words is "two hundred twelve million, seventy-four thousand, one hundred ninety-nine".