13121122302223 has 4 divisors (see below), whose sum is σ = 14130439402408. Its totient is φ = 12111805202040.

The previous prime is 13121122302221. The next prime is 13121122302247. The reversal of 13121122302223 is 32220322112131.

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 13121122302223 - 2¹ = 13121122302221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121122302221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504658550073 + ... + 504658550098.

It is an arithmetic number, because the mean of its divisors is an integer number (3532609850602).

Almost surely, 2^{13121122302223} is an apocalyptic number.

13121122302223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13121122302223 is a deficient number, since it is larger than the sum of its proper divisors (1009317100185).

13121122302223 is a wasteful number, since it uses less digits than its factorization.

13121122302223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009317100184.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13121122302223 its reverse (32220322112131), we get a palindrome (45341444414354).

The spelling of 13121122302223 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-two million, three hundred two thousand, two hundred twenty-three".