212324431043 has 4 divisors (see below), whose sum is σ = 212677716888. Its totient is φ = 211971145200.

The previous prime is 212324431031. The next prime is 212324431049. The reversal of 212324431043 is 340134423212.

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 212324431043 - 2³⁶ = 143604954307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212324430997 and 212324431015.

It is not an unprimeable number, because it can be changed into a prime (212324431049) 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, 176642021 + ... + 176643222.

It is an arithmetic number, because the mean of its divisors is an integer number (53169429222).

Almost surely, 2^212324431043 is an apocalyptic number.

212324431043 is a deficient number, since it is larger than the sum of its proper divisors (353285845).

212324431043 is an equidigital number, since it uses as much as digits as its factorization.

212324431043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353285844.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 212324431043 its reverse (340134423212), we get a palindrome (552458854255).

The spelling of 212324431043 in words is "two hundred twelve billion, three hundred twenty-four million, four hundred thirty-one thousand, forty-three".