12500444441 has 8 divisors (see below), whose sum is σ = 12814965504. Its totient is φ = 12187946560.

The previous prime is 12500444431. The next prime is 12500444447. The reversal of 12500444441 is 14444400521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12500444441 - 2⁶ = 12500444377 is a prime.

It is a super-2 number, since 2×12500444441² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12500444447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493280 + ... + 518001.

It is an arithmetic number, because the mean of its divisors is an integer number (1601870688).

Almost surely, 2^12500444441 is an apocalyptic number.

It is an amenable number.

12500444441 is a deficient number, since it is larger than the sum of its proper divisors (314521063).

12500444441 is a wasteful number, since it uses less digits than its factorization.

12500444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011591.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 12500444441 its reverse (14444400521), we get a palindrome (26944844962).

The spelling of 12500444441 in words is "twelve billion, five hundred million, four hundred forty-four thousand, four hundred forty-one".