13220123312203 has 2 divisors, whose sum is σ = 13220123312204. Its totient is φ = 13220123312202.

The previous prime is 13220123312191. The next prime is 13220123312309. The reversal of 13220123312203 is 30221332102231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13220123312203 - 2²¹ = 13220121215051 is a prime.

It is not a weakly prime, because it can be changed into another prime (13220123312503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610061656101 + 6610061656102.

It is an arithmetic number, because the mean of its divisors is an integer number (6610061656102).

Almost surely, 2^{13220123312203} is an apocalyptic number.

13220123312203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220123312203 is an equidigital number, since it uses as much as digits as its factorization.

13220123312203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13220123312203 its reverse (30221332102231), we get a palindrome (43441455414434).

The spelling of 13220123312203 in words is "thirteen trillion, two hundred twenty billion, one hundred twenty-three million, three hundred twelve thousand, two hundred three".