12103211044447 has 2 divisors, whose sum is σ = 12103211044448. Its totient is φ = 12103211044446.

The previous prime is 12103211044429. The next prime is 12103211044469. The reversal of 12103211044447 is 74444011230121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12103211044447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103211024447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051605522223 + 6051605522224.

It is an arithmetic number, because the mean of its divisors is an integer number (6051605522224).

Almost surely, 2^{12103211044447} is an apocalyptic number.

12103211044447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103211044447 is an equidigital number, since it uses as much as digits as its factorization.

12103211044447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 12103211044447 its reverse (74444011230121), we get a palindrome (86547222274568).

The spelling of 12103211044447 in words is "twelve trillion, one hundred three billion, two hundred eleven million, forty-four thousand, four hundred forty-seven".