10120321447 has 2 divisors, whose sum is σ = 10120321448. Its totient is φ = 10120321446.

The previous prime is 10120321427. The next prime is 10120321451. The reversal of 10120321447 is 74412302101.

10120321447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10120321447 - 2⁷ = 10120321319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120321427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060160723 + 5060160724.

It is an arithmetic number, because the mean of its divisors is an integer number (5060160724).

Almost surely, 2^10120321447 is an apocalyptic number.

10120321447 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120321447 is an equidigital number, since it uses as much as digits as its factorization.

10120321447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 10120321447 its reverse (74412302101), we get a palindrome (84532623548).

The spelling of 10120321447 in words is "ten billion, one hundred twenty million, three hundred twenty-one thousand, four hundred forty-seven".