1312110432 has 72 divisors (see below), whose sum is σ = 3735262440. Its totient is φ = 436907520.

The previous prime is 1312110409. The next prime is 1312110467. The reversal of 1312110432 is 2340112131.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370044 + ... + 373572.

It is an arithmetic number, because the mean of its divisors is an integer number (51878645).

Almost surely, 2^1312110432 is an apocalyptic number.

1312110432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312110432 is an abundant number, since it is smaller than the sum of its proper divisors (2423152008).

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

1312110432 is a wasteful number, since it uses less digits than its factorization.

1312110432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836 (or 4825 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1312110432 is about 36223.0649172596. The cubic root of 1312110432 is about 1094.7714491409.

Adding to 1312110432 its reverse (2340112131), we get a palindrome (3652222563).

The spelling of 1312110432 in words is "one billion, three hundred twelve million, one hundred ten thousand, four hundred thirty-two".