1312042332 has 12 divisors (see below), whose sum is σ = 3061432136. Its totient is φ = 437347440.

The previous prime is 1312042327. The next prime is 1312042343. The reversal of 1312042332 is 2332402131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1312042299 and 1312042308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54668419 + ... + 54668442.

Almost surely, 2^1312042332 is an apocalyptic number.

1312042332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312042332 is an abundant number, since it is smaller than the sum of its proper divisors (1749389804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312042332 is a wasteful number, since it uses less digits than its factorization.

1312042332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109336868 (or 109336866 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1312042332 is about 36222.1248962564. The cubic root of 1312042332 is about 1094.7525088587.

Adding to 1312042332 its reverse (2332402131), we get a palindrome (3644444463).

The spelling of 1312042332 in words is "one billion, three hundred twelve million, forty-two thousand, three hundred thirty-two".