1312411112 has 8 divisors (see below), whose sum is σ = 2460770850. Its totient is φ = 656205552.

The previous prime is 1312411109. The next prime is 1312411117. The reversal of 1312411112 is 2111142131.

It can be written as a sum of positive squares in only one way, i.e., 804629956 + 507781156 = 28366^2 + 22534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1312411117) 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 as a sum of consecutive naturals, namely, 82025687 + ... + 82025702.

Almost surely, 2^1312411112 is an apocalyptic number.

It is an amenable number.

1312411112 is a deficient number, since it is larger than the sum of its proper divisors (1148359738).

1312411112 is a wasteful number, since it uses less digits than its factorization.

1312411112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164051395 (or 164051391 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

The square root of 1312411112 is about 36227.2150737536. The cubic root of 1312411112 is about 1094.8550677983.

Adding to 1312411112 its reverse (2111142131), we get a palindrome (3423553243).

The spelling of 1312411112 in words is "one billion, three hundred twelve million, four hundred eleven thousand, one hundred twelve".