10000321222123 has 4 divisors (see below), whose sum is σ = 10000453947120. Its totient is φ = 10000188497128.

The previous prime is 10000321222121. The next prime is 10000321222139. The reversal of 10000321222123 is 32122212300001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10000321222123 - 2¹ = 10000321222121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10000321222123.

It is not an unprimeable number, because it can be changed into a prime (10000321222121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66249415 + ... + 66400192.

It is an arithmetic number, because the mean of its divisors is an integer number (2500113486780).

Almost surely, 2^{10000321222123} is an apocalyptic number.

10000321222123 is a deficient number, since it is larger than the sum of its proper divisors (132724997).

10000321222123 is an equidigital number, since it uses as much as digits as its factorization.

10000321222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132724996.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10000321222123 its reverse (32122212300001), we get a palindrome (42122533522124).

It can be divided in two parts, 10000 and 321222123, that added together give a palindrome (321232123).

The spelling of 10000321222123 in words is "ten trillion, three hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-three".