1312241123112 has 128 divisors (see below), whose sum is σ = 3450332160000. Its totient is φ = 415522089216.

The previous prime is 1312241123059. The next prime is 1312241123153. The reversal of 1312241123112 is 2113211422131.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5132814 + ... + 5382402.

It is an arithmetic number, because the mean of its divisors is an integer number (26955720000).

Almost surely, 2^{1312241123112} is an apocalyptic number.

1312241123112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312241123112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1725166080000).

1312241123112 is an abundant number, since it is smaller than the sum of its proper divisors (2138091036888).

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

1312241123112 is a wasteful number, since it uses less digits than its factorization.

1312241123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249783 (or 249779 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

Adding to 1312241123112 its reverse (2113211422131), we get a palindrome (3425452545243).

The spelling of 1312241123112 in words is "one trillion, three hundred twelve billion, two hundred forty-one million, one hundred twenty-three thousand, one hundred twelve".