1312102085837 has 16 divisors (see below), whose sum is σ = 1348132678272. Its totient is φ = 1276519732800.

The previous prime is 1312102085831. The next prime is 1312102085839. The reversal of 1312102085837 is 7385802012131.

It is a cyclic number.

It is not a de Polignac number, because 1312102085837 - 2⁴ = 1312102085821 is a prime.

It is a super-2 number, since 2×1312102085837² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312102085794 and 1312102085803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312102085831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4310498 + ... + 4604844.

It is an arithmetic number, because the mean of its divisors is an integer number (84258292392).

Almost surely, 2^{1312102085837} is an apocalyptic number.

It is an amenable number.

1312102085837 is a deficient number, since it is larger than the sum of its proper divisors (36030592435).

1312102085837 is a wasteful number, since it uses less digits than its factorization.

1312102085837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295108.

The product of its (nonzero) digits is 80640, while the sum is 41.

Adding to 1312102085837 its reverse (7385802012131), we get a palindrome (8697904097968).

The spelling of 1312102085837 in words is "one trillion, three hundred twelve billion, one hundred two million, eighty-five thousand, eight hundred thirty-seven".