12003764441 has 2 divisors, whose sum is σ = 12003764442. Its totient is φ = 12003764440.

The previous prime is 12003764431. The next prime is 12003764449. The reversal of 12003764441 is 14446730021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11706374416 + 297390025 = 108196^2 + 17245^2 .

It is an emirp because it is prime and its reverse (14446730021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12003764441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12003764398 and 12003764407.

It is not a weakly prime, because it can be changed into another prime (12003764449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001882220 + 6001882221.

It is an arithmetic number, because the mean of its divisors is an integer number (6001882221).

Almost surely, 2^12003764441 is an apocalyptic number.

It is an amenable number.

12003764441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003764441 is an equidigital number, since it uses as much as digits as its factorization.

12003764441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 12003764441 in words is "twelve billion, three million, seven hundred sixty-four thousand, four hundred forty-one".