212303043 has 24 divisors (see below), whose sum is σ = 315042000. Its totient is φ = 137687040.

The previous prime is 212303033. The next prime is 212303059. The reversal of 212303043 is 340303212.

It is not a de Polignac number, because 212303043 - 2⁵ = 212303011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212303033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183555 + ... + 184707.

It is an arithmetic number, because the mean of its divisors is an integer number (13126750).

Almost surely, 2^212303043 is an apocalyptic number.

212303043 is a deficient number, since it is larger than the sum of its proper divisors (102738957).

212303043 is a wasteful number, since it uses less digits than its factorization.

212303043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 212303043 is about 14570.6226016598. The cubic root of 212303043 is about 596.5571743713.

Adding to 212303043 its reverse (340303212), we get a palindrome (552606255).

The spelling of 212303043 in words is "two hundred twelve million, three hundred three thousand, forty-three".