1310003012123 has 16 divisors (see below), whose sum is σ = 1472493771840. Its totient is φ = 1156356964224.

The previous prime is 1310003012113. The next prime is 1310003012141. The reversal of 1310003012123 is 3212103000131.

It is a cyclic number.

It is not a de Polignac number, because 1310003012123 - 2¹⁰ = 1310003011099 is a prime.

It is a super-2 number, since 2×1310003012123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1310003012113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583493 + ... + 1720601.

It is an arithmetic number, because the mean of its divisors is an integer number (92030860740).

Almost surely, 2^{1310003012123} is an apocalyptic number.

1310003012123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1310003012123 is a deficient number, since it is larger than the sum of its proper divisors (162490759717).

1310003012123 is a wasteful number, since it uses less digits than its factorization.

1310003012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140998.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1310003012123 its reverse (3212103000131), we get a palindrome (4522106012254).

The spelling of 1310003012123 in words is "one trillion, three hundred ten billion, three million, twelve thousand, one hundred twenty-three".