1312223333322 has 64 divisors (see below), whose sum is σ = 2896002201600. Its totient is φ = 393088644480.

The previous prime is 1312223333279. The next prime is 1312223333347. The reversal of 1312223333322 is 2233333222131.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1312223333322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1857429 + ... + 2464647.

It is an arithmetic number, because the mean of its divisors is an integer number (45250034400).

Almost surely, 2^{1312223333322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312223333322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448001100800).

1312223333322 is an abundant number, since it is smaller than the sum of its proper divisors (1583778868278).

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

1312223333322 is a wasteful number, since it uses less digits than its factorization.

1312223333322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607611.

The product of its digits is 23328, while the sum is 30.

Adding to 1312223333322 its reverse (2233333222131), we get a palindrome (3545556555453).

The spelling of 1312223333322 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, three hundred thirty-three thousand, three hundred twenty-two".