12544411444522 has 16 divisors (see below), whose sum is σ = 19005021322560. Its totient is φ = 6209440994592.

The previous prime is 12544411444519. The next prime is 12544411444547. The reversal of 12544411444522 is 22544411444521.

It is an unprimeable number.

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, 8478147 + ... + 9847222.

It is an arithmetic number, because the mean of its divisors is an integer number (1187813832660).

Almost surely, 2^{12544411444522} is an apocalyptic number.

12544411444522 is a deficient number, since it is larger than the sum of its proper divisors (6460609878038).

12544411444522 is a wasteful number, since it uses less digits than its factorization.

12544411444522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18328797.

The product of its digits is 819200, while the sum is 43.

Subtracting 12544411444522 from its reverse (22544411444521), we obtain a palindrome (9999999999999).

The spelling of 12544411444522 in words is "twelve trillion, five hundred forty-four billion, four hundred eleven million, four hundred forty-four thousand, five hundred twenty-two".