212260633 has 4 divisors (see below), whose sum is σ = 228588388. Its totient is φ = 195932880.

The previous prime is 212260619. The next prime is 212260651. The reversal of 212260633 is 336062212.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67371264 + 144889369 = 8208^2 + 12037^2 .

It is a de Polignac number, because none of the positive numbers 2^k-212260633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212260598 and 212260607.

It is not an unprimeable number, because it can be changed into a prime (212260603) 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, 8163858 + ... + 8163883.

It is an arithmetic number, because the mean of its divisors is an integer number (57147097).

Almost surely, 2^212260633 is an apocalyptic number.

It is an amenable number.

212260633 is a deficient number, since it is larger than the sum of its proper divisors (16327755).

212260633 is a wasteful number, since it uses less digits than its factorization.

212260633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16327754.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 212260633 is about 14569.1672033785. The cubic root of 212260633 is about 596.5174486499.

The spelling of 212260633 in words is "two hundred twelve million, two hundred sixty thousand, six hundred thirty-three".