212252243 has 8 divisors (see below), whose sum is σ = 244063488. Its totient is φ = 180813384.

The previous prime is 212252221. The next prime is 212252251. The reversal of 212252243 is 342252212.

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 212252243 - 2¹⁸ = 211990099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212212243) 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, 91871 + ... + 94152.

It is an arithmetic number, because the mean of its divisors is an integer number (30507936).

Almost surely, 2^212252243 is an apocalyptic number.

212252243 is a deficient number, since it is larger than the sum of its proper divisors (31811245).

212252243 is a wasteful number, since it uses less digits than its factorization.

212252243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186193.

The product of its digits is 1920, while the sum is 23.

The square root of 212252243 is about 14568.8792636908. The cubic root of 212252243 is about 596.5095890557.

The spelling of 212252243 in words is "two hundred twelve million, two hundred fifty-two thousand, two hundred forty-three".