212433111204043 has 4 divisors (see below), whose sum is σ = 212435165329408. Its totient is φ = 212431057078680.

The previous prime is 212433111204007. The next prime is 212433111204053. The reversal of 212433111204043 is 340402111334212.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212433111204043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212433111203996 and 212433111204014.

It is not an unprimeable number, because it can be changed into a prime (212433111204053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026907548 + ... + 1027114393.

It is an arithmetic number, because the mean of its divisors is an integer number (53108791332352).

Almost surely, 2^{212433111204043} is an apocalyptic number.

212433111204043 is a deficient number, since it is larger than the sum of its proper divisors (2054125365).

212433111204043 is a wasteful number, since it uses less digits than its factorization.

212433111204043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054125364.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 212433111204043 its reverse (340402111334212), we get a palindrome (552835222538255).

The spelling of 212433111204043 in words is "two hundred twelve trillion, four hundred thirty-three billion, one hundred eleven million, two hundred four thousand, forty-three".