12124640441 has 8 divisors (see below), whose sum is σ = 12164867400. Its totient is φ = 12084468480.

The previous prime is 12124640399. The next prime is 12124640443. The reversal of 12124640441 is 14404642121.

It can be written as a sum of positive squares in 4 ways, for example, as 2580132025 + 9544508416 = 50795^2 + 97696^2 .

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 12124640441 - 2⁶ = 12124640377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12124640443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453905 + ... + 479873.

It is an arithmetic number, because the mean of its divisors is an integer number (1520608425).

Almost surely, 2^12124640441 is an apocalyptic number.

It is an amenable number.

12124640441 is a deficient number, since it is larger than the sum of its proper divisors (40226959).

12124640441 is a wasteful number, since it uses less digits than its factorization.

12124640441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27499.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 12124640441 in words is "twelve billion, one hundred twenty-four million, six hundred forty thousand, four hundred forty-one".