243121250014 has 4 divisors (see below), whose sum is σ = 364681875024. Its totient is φ = 121560625006.

The previous prime is 243121250011. The next prime is 243121250033. The reversal of 243121250014 is 410052121342.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243121250011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60780312502 + ... + 60780312505.

It is an arithmetic number, because the mean of its divisors is an integer number (91170468756).

Almost surely, 2^243121250014 is an apocalyptic number.

243121250014 is a deficient number, since it is larger than the sum of its proper divisors (121560625010).

243121250014 is a wasteful number, since it uses less digits than its factorization.

243121250014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121560625009.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 243121250014 its reverse (410052121342), we get a palindrome (653173371356).

The spelling of 243121250014 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred fifty thousand, fourteen".