1312142224 has 10 divisors (see below), whose sum is σ = 2542275590. Its totient is φ = 656071104.

The previous prime is 1312142141. The next prime is 1312142233. The reversal of 1312142224 is 4222412131.

It can be written as a sum of positive squares in only one way, i.e., 1265082624 + 47059600 = 35568^2 + 6860^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1312142195 and 1312142204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41004429 + ... + 41004460.

It is an arithmetic number, because the mean of its divisors is an integer number (254227559).

Almost surely, 2^1312142224 is an apocalyptic number.

It is an amenable number.

1312142224 is a deficient number, since it is larger than the sum of its proper divisors (1230133366).

1312142224 is an equidigital number, since it uses as much as digits as its factorization.

1312142224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82008897 (or 82008891 counting only the distinct ones).

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

The square root of 1312142224 is about 36223.5037510178. The cubic root of 1312142224 is about 1094.7802910523.

Adding to 1312142224 its reverse (4222412131), we get a palindrome (5534554355).

The spelling of 1312142224 in words is "one billion, three hundred twelve million, one hundred forty-two thousand, two hundred twenty-four".