1312123324 has 12 divisors (see below), whose sum is σ = 2325282400. Its totient is φ = 647756928.

The previous prime is 1312123301. The next prime is 1312123327. The reversal of 1312123324 is 4233212131.

It is a junction number, because it is equal to n+sod(n) for n = 1312123295 and 1312123304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312123327) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2075829 + ... + 2076460.

Almost surely, 2^1312123324 is an apocalyptic number.

It is an amenable number.

1312123324 is a deficient number, since it is larger than the sum of its proper divisors (1013159076).

1312123324 is a wasteful number, since it uses less digits than its factorization.

1312123324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152372 (or 4152370 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1312123324 is about 36223.2428697377. The cubic root of 1312123324 is about 1094.7750346488.

Adding to 1312123324 its reverse (4233212131), we get a palindrome (5545335455).

The spelling of 1312123324 in words is "one billion, three hundred twelve million, one hundred twenty-three thousand, three hundred twenty-four".