243121242010 has 64 divisors (see below), whose sum is σ = 483044373504. Its totient is φ = 87698304000.

The previous prime is 243121241999. The next prime is 243121242037. The reversal of 243121242010 is 10242121342.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 303889 + ... + 760651.

It is an arithmetic number, because the mean of its divisors is an integer number (7547568336).

Almost surely, 2^243121242010 is an apocalyptic number.

243121242010 is a deficient number, since it is larger than the sum of its proper divisors (239923131494).

243121242010 is a wasteful number, since it uses less digits than its factorization.

243121242010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456919.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 243121242010 its reverse (10242121342), we get a palindrome (253363363352).

The spelling of 243121242010 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred forty-two thousand, ten".