4224121212323 has 4 divisors (see below), whose sum is σ = 4224206286888. Its totient is φ = 4224036137760.

The previous prime is 4224121212319. The next prime is 4224121212331. The reversal of 4224121212323 is 3232121214224.

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

It is a cyclic number.

It is not a de Polignac number, because 4224121212323 - 2² = 4224121212319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4224121212343) 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 3 ways as a sum of consecutive naturals, for example, 42462761 + ... + 42562122.

It is an arithmetic number, because the mean of its divisors is an integer number (1056051571722).

Almost surely, 2^{4224121212323} is an apocalyptic number.

4224121212323 is a deficient number, since it is larger than the sum of its proper divisors (85074565).

4224121212323 is an equidigital number, since it uses as much as digits as its factorization.

4224121212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85074564.

The product of its digits is 9216, while the sum is 29.

Adding to 4224121212323 its reverse (3232121214224), we get a palindrome (7456242426547).

The spelling of 4224121212323 in words is "four trillion, two hundred twenty-four billion, one hundred twenty-one million, two hundred twelve thousand, three hundred twenty-three".