13011121231222 has 8 divisors (see below), whose sum is σ = 19784033653176. Its totient is φ = 6416443346832.

The previous prime is 13011121231189. The next prime is 13011121231237. The reversal of 13011121231222 is 22213212111031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13011121231222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13011121231193 and 13011121231202.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 44558634208 + ... + 44558634499.

It is an arithmetic number, because the mean of its divisors is an integer number (2473004206647).

Almost surely, 2^{13011121231222} is an apocalyptic number.

13011121231222 is a deficient number, since it is larger than the sum of its proper divisors (6772912421954).

13011121231222 is an equidigital number, since it uses as much as digits as its factorization.

13011121231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89117268782.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13011121231222 its reverse (22213212111031), we get a palindrome (35224333342253).

The spelling of 13011121231222 in words is "thirteen trillion, eleven billion, one hundred twenty-one million, two hundred thirty-one thousand, two hundred twenty-two".