1312124442226 has 12 divisors (see below), whose sum is σ = 2131231712922. Its totient is φ = 605595896256.

The previous prime is 1312124442217. The next prime is 1312124442253. The reversal of 1312124442226 is 6222444212131.

It can be written as a sum of positive squares in 3 ways, for example, as 414085815025 + 898038627201 = 643495^2 + 947649^2 .

It is a super-2 number, since 2×1312124442226² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312124442191 and 1312124442200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1941012151 + ... + 1941012826.

Almost surely, 2^{1312124442226} is an apocalyptic number.

1312124442226 is a deficient number, since it is larger than the sum of its proper divisors (819107270696).

1312124442226 is a wasteful number, since it uses less digits than its factorization.

1312124442226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882025005 (or 3882024992 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

Adding to 1312124442226 its reverse (6222444212131), we get a palindrome (7534568654357).

The spelling of 1312124442226 in words is "one trillion, three hundred twelve billion, one hundred twenty-four million, four hundred forty-two thousand, two hundred twenty-six".