13112222113234 has 4 divisors (see below), whose sum is σ = 19668333169854. Its totient is φ = 6556111056616.

The previous prime is 13112222113229. The next prime is 13112222113241. The reversal of 13112222113234 is 43231122221131.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 12940243535025 + 171978578209 = 3597255^2 + 414703^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278055528307 + ... + 3278055528310.

Almost surely, 2^{13112222113234} is an apocalyptic number.

13112222113234 is a deficient number, since it is larger than the sum of its proper divisors (6556111056620).

13112222113234 is an equidigital number, since it uses as much as digits as its factorization.

13112222113234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556111056619.

The product of its digits is 3456, while the sum is 28.

Adding to 13112222113234 its reverse (43231122221131), we get a palindrome (56343344334365).

The spelling of 13112222113234 in words is "thirteen trillion, one hundred twelve billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred thirty-four".