12421024441 has 16 divisors (see below), whose sum is σ = 14276563840. Its totient is φ = 10585935360.

The previous prime is 12421024409. The next prime is 12421024453. The reversal of 12421024441 is 14442012421.

It is a happy number.

It is not a de Polignac number, because 12421024441 - 2⁵ = 12421024409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12421024471) 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, 897865 + ... + 911593.

It is an arithmetic number, because the mean of its divisors is an integer number (892285240).

Almost surely, 2^12421024441 is an apocalyptic number.

It is an amenable number.

12421024441 is a deficient number, since it is larger than the sum of its proper divisors (1855539399).

12421024441 is a wasteful number, since it uses less digits than its factorization.

12421024441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14464.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 12421024441 its reverse (14442012421), we get a palindrome (26863036862).

The spelling of 12421024441 in words is "twelve billion, four hundred twenty-one million, twenty-four thousand, four hundred forty-one".