212302043 has 4 divisors (see below), whose sum is σ = 219150528. Its totient is φ = 205453560.

The previous prime is 212302037. The next prime is 212302049. The reversal of 212302043 is 340203212.

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

It is an interprime number because it is at equal distance from previous prime (212302037) and next prime (212302049).

It is a cyclic number.

It is not a de Polignac number, because 212302043 - 2⁸ = 212301787 is a prime.

It is a super-3 number, since 3×212302043³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212302049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3424196 + ... + 3424257.

It is an arithmetic number, because the mean of its divisors is an integer number (54787632).

Almost surely, 2^212302043 is an apocalyptic number.

212302043 is a deficient number, since it is larger than the sum of its proper divisors (6848485).

212302043 is an equidigital number, since it uses as much as digits as its factorization.

212302043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848484.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 212302043 is about 14570.5882859959. The cubic root of 212302043 is about 596.5562377258.

Adding to 212302043 its reverse (340203212), we get a palindrome (552505255).

The spelling of 212302043 in words is "two hundred twelve million, three hundred two thousand, forty-three".