12441021345 has 96 divisors (see below), whose sum is σ = 23623052544. Its totient is φ = 6031872000.

The previous prime is 12441021331. The next prime is 12441021349. The reversal of 12441021345 is 54312014421.

12441021345 is a `hidden beast` number, since 1 + 2 + 441 + 0 + 213 + 4 + 5 = 666.

It is not a de Polignac number, because 12441021345 - 2¹³ = 12441013153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12441021349) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3228670 + ... + 3232520.

It is an arithmetic number, because the mean of its divisors is an integer number (246073464).

Almost surely, 2^12441021345 is an apocalyptic number.

12441021345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12441021345 is a deficient number, since it is larger than the sum of its proper divisors (11182031199).

12441021345 is a wasteful number, since it uses less digits than its factorization.

12441021345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023 (or 4020 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 12441021345 its reverse (54312014421), we get a palindrome (66753035766).

The spelling of 12441021345 in words is "twelve billion, four hundred forty-one million, twenty-one thousand, three hundred forty-five".