1312223333332 has 6 divisors (see below), whose sum is σ = 2296390833338. Its totient is φ = 656111666664.

The previous prime is 1312223333279. The next prime is 1312223333347. The reversal of 1312223333332 is 2333333222131.

It can be written as a sum of positive squares in only one way, i.e., 1106863909776 + 205359423556 = 1052076^2 + 453166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1312223333294 and 1312223333303.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 164027916663 + ... + 164027916670.

Almost surely, 2^{1312223333332} is an apocalyptic number.

It is an amenable number.

1312223333332 is a deficient number, since it is larger than the sum of its proper divisors (984167500006).

1312223333332 is a wasteful number, since it uses less digits than its factorization.

1312223333332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328055833337 (or 328055833335 counting only the distinct ones).

The product of its digits is 34992, while the sum is 31.

Adding to 1312223333332 its reverse (2333333222131), we get a palindrome (3645556555463).

The spelling of 1312223333332 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, three hundred thirty-three thousand, three hundred thirty-two".