1312544513222 has 8 divisors (see below), whose sum is σ = 1969787114400. Its totient is φ = 655948808424.

The previous prime is 1312544513219. The next prime is 1312544513237. The reversal of 1312544513222 is 2223154452131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161719022 + ... + 161727137.

It is an arithmetic number, because the mean of its divisors is an integer number (246223389300).

Almost surely, 2^{1312544513222} is an apocalyptic number.

1312544513222 is a deficient number, since it is larger than the sum of its proper divisors (657242601178).

1312544513222 is a wasteful number, since it uses less digits than its factorization.

1312544513222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323448190.

The product of its digits is 57600, while the sum is 35.

Adding to 1312544513222 its reverse (2223154452131), we get a palindrome (3535698965353).

The spelling of 1312544513222 in words is "one trillion, three hundred twelve billion, five hundred forty-four million, five hundred thirteen thousand, two hundred twenty-two".