13222212121238 has 16 divisors (see below), whose sum is σ = 20587357842624. Its totient is φ = 6364371370560.

The previous prime is 13222212121231. The next prime is 13222212121249. The reversal of 13222212121238 is 83212121222231.

It is a super-2 number, since 2×13222212121238² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222212121231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152960095 + ... + 1152971562.

It is an arithmetic number, because the mean of its divisors is an integer number (1286709865164).

Almost surely, 2^{13222212121238} is an apocalyptic number.

13222212121238 is a deficient number, since it is larger than the sum of its proper divisors (7365145721386).

13222212121238 is a wasteful number, since it uses less digits than its factorization.

13222212121238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305931767.

The product of its digits is 9216, while the sum is 32.

Adding to 13222212121238 its reverse (83212121222231), we get a palindrome (96434333343469).

The spelling of 13222212121238 in words is "thirteen trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, two hundred thirty-eight".