13121322230203 has 16 divisors (see below), whose sum is σ = 14759962269696. Its totient is φ = 11562404220640.

The previous prime is 13121322230129. The next prime is 13121322230267. The reversal of 13121322230203 is 30203222312131.

It is a cyclic number.

It is not a de Polignac number, because 13121322230203 - 2¹³ = 13121322222011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121322260203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135533275 + ... + 135630052.

It is an arithmetic number, because the mean of its divisors is an integer number (922497641856).

Almost surely, 2^{13121322230203} is an apocalyptic number.

13121322230203 is a deficient number, since it is larger than the sum of its proper divisors (1638640039493).

13121322230203 is a wasteful number, since it uses less digits than its factorization.

13121322230203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271163474.

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

Adding to 13121322230203 its reverse (30203222312131), we get a palindrome (43324544542334).

The spelling of 13121322230203 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-two million, two hundred thirty thousand, two hundred three".