13112113011123 has 32 divisors (see below), whose sum is σ = 20061999060480. Its totient is φ = 7462050382080.

The previous prime is 13112113011119. The next prime is 13112113011133. The reversal of 13112113011123 is 32111031121131.

It is not a de Polignac number, because 13112113011123 - 2² = 13112113011119 is a prime.

It is a super-2 number, since 2×13112113011123² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13112113011123.

It is not an unprimeable number, because it can be changed into a prime (13112113011133) 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, 10670613 + ... + 11835801.

It is an arithmetic number, because the mean of its divisors is an integer number (626937470640).

Almost surely, 2^{13112113011123} is an apocalyptic number.

13112113011123 is a deficient number, since it is larger than the sum of its proper divisors (6949886049357).

13112113011123 is a wasteful number, since it uses less digits than its factorization.

13112113011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167387.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 13112113011123 its reverse (32111031121131), we get a palindrome (45223144132254).

The spelling of 13112113011123 in words is "thirteen trillion, one hundred twelve billion, one hundred thirteen million, eleven thousand, one hundred twenty-three".