1312124040440 has 32 divisors (see below), whose sum is σ = 2952320132160. Its totient is φ = 524842320000.

The previous prime is 1312124040427. The next prime is 1312124040499. The reversal of 1312124040440 is 440404212131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3396785 + ... + 3763295.

It is an arithmetic number, because the mean of its divisors is an integer number (92260004130).

Almost surely, 2^{1312124040440} is an apocalyptic number.

1312124040440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312124040440 is an abundant number, since it is smaller than the sum of its proper divisors (1640196091720).

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

1312124040440 is a wasteful number, since it uses less digits than its factorization.

1312124040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456023 (or 456019 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1312124040440 its reverse (440404212131), we get a palindrome (1752528252571).

The spelling of 1312124040440 in words is "one trillion, three hundred twelve billion, one hundred twenty-four million, forty thousand, four hundred forty".