12421441311 has 16 divisors (see below), whose sum is σ = 17436147840. Its totient is φ = 7843975200.

The previous prime is 12421441309. The next prime is 12421441343. The reversal of 12421441311 is 11314412421.

It is a happy number.

It is not a de Polignac number, because 12421441311 - 2¹ = 12421441309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421441381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557536 + ... + 579386.

It is an arithmetic number, because the mean of its divisors is an integer number (1089759240).

Almost surely, 2^12421441311 is an apocalyptic number.

12421441311 is a deficient number, since it is larger than the sum of its proper divisors (5014706529).

12421441311 is a wasteful number, since it uses less digits than its factorization.

12421441311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31846.

The product of its digits is 768, while the sum is 24.

Adding to 12421441311 its reverse (11314412421), we get a palindrome (23735853732).

The spelling of 12421441311 in words is "twelve billion, four hundred twenty-one million, four hundred forty-one thousand, three hundred eleven".