212530043 has 8 divisors (see below), whose sum is σ = 232024176. Its totient is φ = 193064800.

The previous prime is 212530013. The next prime is 212530057. The reversal of 212530043 is 340035212.

It is a happy number.

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 212530043 - 2⁸ = 212529787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212529997 and 212530024.

It is not an unprimeable number, because it can be changed into a prime (212530013) 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, 9953 + ... + 22893.

It is an arithmetic number, because the mean of its divisors is an integer number (29003022).

Almost surely, 2^212530043 is an apocalyptic number.

212530043 is a deficient number, since it is larger than the sum of its proper divisors (19494133).

212530043 is a wasteful number, since it uses less digits than its factorization.

212530043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14445.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 212530043 is about 14578.4101670930. The cubic root of 212530043 is about 596.7697168467.

Adding to 212530043 its reverse (340035212), we get a palindrome (552565255).

The spelling of 212530043 in words is "two hundred twelve million, five hundred thirty thousand, forty-three".