212426633 has 4 divisors (see below), whose sum is σ = 212477568. Its totient is φ = 212375700.

The previous prime is 212426623. The next prime is 212426647. The reversal of 212426633 is 336624212.

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 212426633 - 2⁸ = 212426377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212426596 and 212426605.

It is not an unprimeable number, because it can be changed into a prime (212426603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18593 + ... + 27758.

It is an arithmetic number, because the mean of its divisors is an integer number (53119392).

Almost surely, 2^212426633 is an apocalyptic number.

It is an amenable number.

212426633 is a deficient number, since it is larger than the sum of its proper divisors (50935).

212426633 is an equidigital number, since it uses as much as digits as its factorization.

212426633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50934.

The product of its digits is 10368, while the sum is 29.

The square root of 212426633 is about 14574.8630525299. The cubic root of 212426633 is about 596.6729117594.

The spelling of 212426633 in words is "two hundred twelve million, four hundred twenty-six thousand, six hundred thirty-three".