212826943 has 12 divisors (see below), whose sum is σ = 249983760. Its totient is φ = 180647712.

The previous prime is 212826919. The next prime is 212826979. The reversal of 212826943 is 349628212.

It is a happy number.

It is not a de Polignac number, because 212826943 - 2¹⁷ = 212695871 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 (212826343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16038 + ... + 26131.

It is an arithmetic number, because the mean of its divisors is an integer number (20831980).

Almost surely, 2^212826943 is an apocalyptic number.

212826943 is a deficient number, since it is larger than the sum of its proper divisors (37156817).

212826943 is a wasteful number, since it uses less digits than its factorization.

212826943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42286 (or 42279 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 212826943 is about 14588.5894794528. The cubic root of 212826943 is about 597.0474791251.

The spelling of 212826943 in words is "two hundred twelve million, eight hundred twenty-six thousand, nine hundred forty-three".