212826369 has 8 divisors (see below), whose sum is σ = 324306880. Its totient is φ = 121615056.

The previous prime is 212826343. The next prime is 212826373. The reversal of 212826369 is 963628212.

It is a happy number.

212826369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212826369 - 2¹² = 212822273 is a prime.

It is a super-2 number, since 2×212826369² = 90590126683448322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212826269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5067274 + ... + 5067315.

It is an arithmetic number, because the mean of its divisors is an integer number (40538360).

Almost surely, 2^212826369 is an apocalyptic number.

It is an amenable number.

212826369 is a deficient number, since it is larger than the sum of its proper divisors (111480511).

212826369 is a wasteful number, since it uses less digits than its factorization.

212826369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134599.

The product of its digits is 62208, while the sum is 39.

The square root of 212826369 is about 14588.5698065300. The cubic root of 212826369 is about 597.0469423736.

The spelling of 212826369 in words is "two hundred twelve million, eight hundred twenty-six thousand, three hundred sixty-nine".