1013133312123 has 4 divisors (see below), whose sum is σ = 1350844416168. Its totient is φ = 675422208080.

The previous prime is 1013133312109. The next prime is 1013133312209. The reversal of 1013133312123 is 3212133313101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013133312123 - 2¹⁴ = 1013133295739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013133312093 and 1013133312102.

It is not an unprimeable number, because it can be changed into a prime (1013133312923) 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 3 ways as a sum of consecutive naturals, for example, 168855552018 + ... + 168855552023.

It is an arithmetic number, because the mean of its divisors is an integer number (337711104042).

Almost surely, 2^{1013133312123} is an apocalyptic number.

1013133312123 is a deficient number, since it is larger than the sum of its proper divisors (337711104045).

1013133312123 is an equidigital number, since it uses as much as digits as its factorization.

1013133312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337711104044.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1013133312123 its reverse (3212133313101), we get a palindrome (4225266625224).

The spelling of 1013133312123 in words is "one trillion, thirteen billion, one hundred thirty-three million, three hundred twelve thousand, one hundred twenty-three".