1312112124 has 36 divisors (see below), whose sum is σ = 3322375056. Its totient is φ = 436626048.

The previous prime is 1312112117. The next prime is 1312112143. The reversal of 1312112124 is 4212112131.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1312112097 and 1312112106.

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 11 ways as a sum of consecutive naturals, for example, 9384 + ... + 52079.

It is an arithmetic number, because the mean of its divisors is an integer number (92288196).

Almost surely, 2^1312112124 is an apocalyptic number.

It is an amenable number.

1312112124 is an abundant number, since it is smaller than the sum of its proper divisors (2010262932).

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

1312112124 is a wasteful number, since it uses less digits than its factorization.

1312112124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62066 (or 62061 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1312112124 is about 36223.0882725369. The cubic root of 1312112124 is about 1094.7719197193.

Adding to 1312112124 its reverse (4212112131), we get a palindrome (5524224255).

The spelling of 1312112124 in words is "one billion, three hundred twelve million, one hundred twelve thousand, one hundred twenty-four".