13321210311222 has 32 divisors (see below), whose sum is σ = 29064588808320. Its totient is φ = 4036712349120.

The previous prime is 13321210311217. The next prime is 13321210311223. The reversal of 13321210311222 is 22211301212331.

It is a junction number, because it is equal to n+sod(n) for n = 13321210311192 and 13321210311201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321210311223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26771833 + ... + 27264875.

It is an arithmetic number, because the mean of its divisors is an integer number (908268400260).

Almost surely, 2^{13321210311222} is an apocalyptic number.

13321210311222 is an abundant number, since it is smaller than the sum of its proper divisors (15743378497098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13321210311222 is a wasteful number, since it uses less digits than its factorization.

13321210311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902428.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13321210311222 its reverse (22211301212331), we get a palindrome (35532511523553).

The spelling of 13321210311222 in words is "thirteen trillion, three hundred twenty-one billion, two hundred ten million, three hundred eleven thousand, two hundred twenty-two".