1312503010205 has 8 divisors (see below), whose sum is σ = 1575791520000. Its totient is φ = 1049477136336.

The previous prime is 1312503010139. The next prime is 1312503010267. The reversal of 1312503010205 is 5020103052131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312503010205 - 2²⁶ = 1312435901341 is a prime.

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, 65647985 + ... + 65667974.

It is an arithmetic number, because the mean of its divisors is an integer number (196973940000).

Almost surely, 2^{1312503010205} is an apocalyptic number.

It is an amenable number.

1312503010205 is a deficient number, since it is larger than the sum of its proper divisors (263288509795).

1312503010205 is a wasteful number, since it uses less digits than its factorization.

1312503010205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131317963.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 1312503010205 its reverse (5020103052131), we get a palindrome (6332606062336).

The spelling of 1312503010205 in words is "one trillion, three hundred twelve billion, five hundred three million, ten thousand, two hundred five".