1312442502015 has 32 divisors (see below), whose sum is σ = 2107412697600. Its totient is φ = 697470609024.

The previous prime is 1312442502013. The next prime is 1312442502067. The reversal of 1312442502015 is 5102052442131.

It is not a de Polignac number, because 1312442502015 - 2¹ = 1312442502013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312442502011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7382502 + ... + 7558188.

It is an arithmetic number, because the mean of its divisors is an integer number (65856646800).

Almost surely, 2^{1312442502015} is an apocalyptic number.

1312442502015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1312442502015 is a deficient number, since it is larger than the sum of its proper divisors (794970195585).

1312442502015 is a wasteful number, since it uses less digits than its factorization.

1312442502015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177471.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1312442502015 its reverse (5102052442131), we get a palindrome (6414494944146).

The spelling of 1312442502015 in words is "one trillion, three hundred twelve billion, four hundred forty-two million, five hundred two thousand, fifteen".