1312432113224 has 8 divisors (see below), whose sum is σ = 2460810212310. Its totient is φ = 656216056608.

The previous prime is 1312432113203. The next prime is 1312432113253. The reversal of 1312432113224 is 4223112342131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 990387213124 + 322044900100 = 995182^2 + 567490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1312432113224² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82027007069 + ... + 82027007084.

Almost surely, 2^{1312432113224} is an apocalyptic number.

It is an amenable number.

1312432113224 is a deficient number, since it is larger than the sum of its proper divisors (1148378099086).

1312432113224 is a wasteful number, since it uses less digits than its factorization.

1312432113224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164054014159 (or 164054014155 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 1312432113224 its reverse (4223112342131), we get a palindrome (5535544455355).

The spelling of 1312432113224 in words is "one trillion, three hundred twelve billion, four hundred thirty-two million, one hundred thirteen thousand, two hundred twenty-four".