123132100013011 has 4 divisors (see below), whose sum is σ = 123132467351592. Its totient is φ = 123131732674432.

The previous prime is 123132100012981. The next prime is 123132100013051. The reversal of 123132100013011 is 110310001231321.

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 123132100013011 - 2⁵ = 123132100012979 is a prime.

It is a super-2 number, since 2×123132100013011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123132100013011.

It is not an unprimeable number, because it can be changed into a prime (123132100013051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183166030 + ... + 183837043.

It is an arithmetic number, because the mean of its divisors is an integer number (30783116837898).

Almost surely, 2^{123132100013011} is an apocalyptic number.

123132100013011 is a deficient number, since it is larger than the sum of its proper divisors (367338581).

123132100013011 is an equidigital number, since it uses as much as digits as its factorization.

123132100013011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367338580.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 123132100013011 its reverse (110310001231321), we get a palindrome (233442101244332).

The spelling of 123132100013011 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, one hundred million, thirteen thousand, eleven".