1312042322040 has 128 divisors (see below), whose sum is σ = 4208928505920. Its totient is φ = 326036480000.

The previous prime is 1312042322029. The next prime is 1312042322053. The reversal of 1312042322040 is 402232402131.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1312042322040.

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 31 ways as a sum of consecutive naturals, for example, 2977911 + ... + 3389990.

Almost surely, 2^{1312042322040} is an apocalyptic number.

1312042322040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312042322040 is an abundant number, since it is smaller than the sum of its proper divisors (2896886183880).

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

1312042322040 is a wasteful number, since it uses less digits than its factorization.

1312042322040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368033 (or 6368029 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1312042322040 its reverse (402232402131), we get a palindrome (1714274724171).

The spelling of 1312042322040 in words is "one trillion, three hundred twelve billion, forty-two million, three hundred twenty-two thousand, forty".