12578033443 has 2 divisors, whose sum is σ = 12578033444. Its totient is φ = 12578033442.

The previous prime is 12578033417. The next prime is 12578033449. The reversal of 12578033443 is 34433087521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12578033443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12578033396 and 12578033405.

It is not a weakly prime, because it can be changed into another prime (12578033449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6289016721 + 6289016722.

It is an arithmetic number, because the mean of its divisors is an integer number (6289016722).

Almost surely, 2^12578033443 is an apocalyptic number.

12578033443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12578033443 is an equidigital number, since it uses as much as digits as its factorization.

12578033443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 12578033443 in words is "twelve billion, five hundred seventy-eight million, thirty-three thousand, four hundred forty-three".