212345043 has 8 divisors (see below), whose sum is σ = 287352768. Its totient is φ = 139450344.

The previous prime is 212345041. The next prime is 212345053. The reversal of 212345043 is 340543212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212345043 - 2¹ = 212345041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212345041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528021 + ... + 528422.

It is an arithmetic number, because the mean of its divisors is an integer number (35919096).

Almost surely, 2^212345043 is an apocalyptic number.

212345043 is a deficient number, since it is larger than the sum of its proper divisors (75007725).

212345043 is a wasteful number, since it uses less digits than its factorization.

212345043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056513.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 212345043 is about 14572.0637865746. The cubic root of 212345043 is about 596.5965108294.

Adding to 212345043 its reverse (340543212), we get a palindrome (552888255).

The spelling of 212345043 in words is "two hundred twelve million, three hundred forty-five thousand, forty-three".