12211452441 has 12 divisors (see below), whose sum is σ = 17670439332. Its totient is φ = 8126349216.

The previous prime is 12211452401. The next prime is 12211452467. The reversal of 12211452441 is 14425411221.

12211452441 is a `hidden beast` number, since 1 + 2 + 211 + 4 + 5 + 2 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7353920025 + 4857532416 = 85755^2 + 69696^2 .

It is not a de Polignac number, because 12211452441 - 2¹¹ = 12211450393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12211452401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1212966 + ... + 1222991.

It is an arithmetic number, because the mean of its divisors is an integer number (1472536611).

Almost surely, 2^12211452441 is an apocalyptic number.

It is an amenable number.

12211452441 is a deficient number, since it is larger than the sum of its proper divisors (5458986891).

12211452441 is a wasteful number, since it uses less digits than its factorization.

12211452441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436520 (or 2436517 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

Adding to 12211452441 its reverse (14425411221), we get a palindrome (26636863662).

The spelling of 12211452441 in words is "twelve billion, two hundred eleven million, four hundred fifty-two thousand, four hundred forty-one".