1312043355345 has 16 divisors (see below), whose sum is σ = 2099346733440. Its totient is φ = 699730667904.

The previous prime is 1312043355319. The next prime is 1312043355383. The reversal of 1312043355345 is 5435533402131.

It is not a de Polignac number, because 1312043355345 - 2¹⁸ = 1312043093201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1187580 + ... + 2008589.

It is an arithmetic number, because the mean of its divisors is an integer number (131209170840).

Almost surely, 2^{1312043355345} is an apocalyptic number.

1312043355345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1312043355345 is a deficient number, since it is larger than the sum of its proper divisors (787303378095).

1312043355345 is a wasteful number, since it uses less digits than its factorization.

1312043355345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223544.

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 1312043355345 its reverse (5435533402131), we get a palindrome (6747576757476).

The spelling of 1312043355345 in words is "one trillion, three hundred twelve billion, forty-three million, three hundred fifty-five thousand, three hundred forty-five".