212214279 has 8 divisors (see below), whose sum is σ = 288291312. Its totient is φ = 138806720.

The previous prime is 212214269. The next prime is 212214311. The reversal of 212214279 is 972412212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212214279 - 2²⁴ = 195437063 is a prime.

It is a super-2 number, since 2×212214279² = 90069800422979682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212214229) 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 7 ways as a sum of consecutive naturals, for example, 667182 + ... + 667499.

It is an arithmetic number, because the mean of its divisors is an integer number (36036414).

Almost surely, 2^212214279 is an apocalyptic number.

212214279 is a deficient number, since it is larger than the sum of its proper divisors (76077033).

212214279 is a wasteful number, since it uses less digits than its factorization.

212214279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334737.

The product of its digits is 4032, while the sum is 30.

The square root of 212214279 is about 14567.5762912023. The cubic root of 212214279 is about 596.4740225052.

The spelling of 212214279 in words is "two hundred twelve million, two hundred fourteen thousand, two hundred seventy-nine".