212030412443 has 4 divisors (see below), whose sum is σ = 212049949080. Its totient is φ = 212010875808.

The previous prime is 212030412439. The next prime is 212030412469. The reversal of 212030412443 is 344214030212.

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

It is a cyclic number.

It is not a de Polignac number, because 212030412443 - 2² = 212030412439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212030418443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9752030 + ... + 9773747.

It is an arithmetic number, because the mean of its divisors is an integer number (53012487270).

Almost surely, 2^212030412443 is an apocalyptic number.

212030412443 is a deficient number, since it is larger than the sum of its proper divisors (19536637).

212030412443 is a wasteful number, since it uses less digits than its factorization.

212030412443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19536636.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212030412443 its reverse (344214030212), we get a palindrome (556244442655).

The spelling of 212030412443 in words is "two hundred twelve billion, thirty million, four hundred twelve thousand, four hundred forty-three".