1312451242455 has 32 divisors (see below), whose sum is σ = 2172988036800. Its totient is φ = 675633201152.

The previous prime is 1312451242429. The next prime is 1312451242481. The reversal of 1312451242455 is 5542421542131.

It is an interprime number because it is at equal distance from previous prime (1312451242429) and next prime (1312451242481).

It is a cyclic number.

It is not a de Polignac number, because 1312451242455 - 2⁵ = 1312451242423 is a prime.

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, 994957 + ... + 1901273.

It is an arithmetic number, because the mean of its divisors is an integer number (67905876150).

Almost surely, 2^{1312451242455} is an apocalyptic number.

1312451242455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1312451242455 is a deficient number, since it is larger than the sum of its proper divisors (860536794345).

1312451242455 is a wasteful number, since it uses less digits than its factorization.

1312451242455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909683.

The product of its digits is 192000, while the sum is 39.

Adding to 1312451242455 its reverse (5542421542131), we get a palindrome (6854872784586).

The spelling of 1312451242455 in words is "one trillion, three hundred twelve billion, four hundred fifty-one million, two hundred forty-two thousand, four hundred fifty-five".