243212004214 has 4 divisors (see below), whose sum is σ = 364818006324. Its totient is φ = 121606002106.

The previous prime is 243212004209. The next prime is 243212004251. The reversal of 243212004214 is 412400212342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412400212342 = 2 ⋅206200106171.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60803001052 + ... + 60803001055.

It is an arithmetic number, because the mean of its divisors is an integer number (91204501581).

Almost surely, 2^243212004214 is an apocalyptic number.

243212004214 is a deficient number, since it is larger than the sum of its proper divisors (121606002110).

243212004214 is a wasteful number, since it uses less digits than its factorization.

243212004214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121606002109.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 243212004214 its reverse (412400212342), we get a palindrome (655612216556).

The spelling of 243212004214 in words is "two hundred forty-three billion, two hundred twelve million, four thousand, two hundred fourteen".