1312224124 has 12 divisors (see below), whose sum is σ = 2296963144. Its totient is φ = 655948944.

The previous prime is 1312224091. The next prime is 1312224143. The reversal of 1312224124 is 4214222131.

It is a junction number, because it is equal to n+sod(n) for n = 1312224095 and 1312224104.

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 in 3 ways as a sum of consecutive naturals, for example, 21687 + ... + 55630.

Almost surely, 2^1312224124 is an apocalyptic number.

It is an amenable number.

1312224124 is a deficient number, since it is larger than the sum of its proper divisors (984739020).

1312224124 is a wasteful number, since it uses less digits than its factorization.

1312224124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81564 (or 81562 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1312224124 is about 36224.6342148544. The cubic root of 1312224124 is about 1094.8030682175.

Adding to 1312224124 its reverse (4214222131), we get a palindrome (5526446255).

The spelling of 1312224124 in words is "one billion, three hundred twelve million, two hundred twenty-four thousand, one hundred twenty-four".