212412043 has 8 divisors (see below), whose sum is σ = 216207360. Its totient is φ = 208635240.

The previous prime is 212412019. The next prime is 212412073. The reversal of 212412043 is 340214212.

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 212412043 - 2²⁵ = 178857611 is a prime.

It is a super-2 number, since 2×212412043² = 90237752022867698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212412043.

It is not an unprimeable number, because it can be changed into a prime (212412073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19638 + ... + 28468.

It is an arithmetic number, because the mean of its divisors is an integer number (27025920).

Almost surely, 2^212412043 is an apocalyptic number.

212412043 is a deficient number, since it is larger than the sum of its proper divisors (3795317).

212412043 is an equidigital number, since it uses as much as digits as its factorization.

212412043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9257.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 212412043 is about 14574.3625246527. The cubic root of 212412043 is about 596.6592511103.

Adding to 212412043 its reverse (340214212), we get a palindrome (552626255).

The spelling of 212412043 in words is "two hundred twelve million, four hundred twelve thousand, forty-three".