243121241214 has 192 divisors, whose sum is σ = 555295703040. Its totient is φ = 76825869120.

The previous prime is 243121241213. The next prime is 243121241221. The reversal of 243121241214 is 412142121342.

243121241214 is a `hidden beast` number, since 2 + 4 + 31 + 212 + 412 + 1 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243121241213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 859085517 + ... + 859085799.

It is an arithmetic number, because the mean of its divisors is an integer number (2892165120).

Almost surely, 2^243121241214 is an apocalyptic number.

243121241214 is an abundant number, since it is smaller than the sum of its proper divisors (312174461826).

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

243121241214 is a wasteful number, since it uses less digits than its factorization.

243121241214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 632 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 243121241214 its reverse (412142121342), we get a palindrome (655263362556).

The spelling of 243121241214 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred forty-one thousand, two hundred fourteen".