243120203214 has 64 divisors (see below), whose sum is σ = 594007464960. Its totient is φ = 64822222080.

The previous prime is 243120203201. The next prime is 243120203273. The reversal of 243120203214 is 412302021342.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3029629 + ... + 3108840.

It is an arithmetic number, because the mean of its divisors is an integer number (9281366640).

Almost surely, 2^243120203214 is an apocalyptic number.

243120203214 is an abundant number, since it is smaller than the sum of its proper divisors (350887261746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243120203214 is a wasteful number, since it uses less digits than its factorization.

243120203214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138545.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 243120203214 its reverse (412302021342), we get a palindrome (655422224556).

The spelling of 243120203214 in words is "two hundred forty-three billion, one hundred twenty million, two hundred three thousand, two hundred fourteen".