12401411123 has 4 divisors (see below), whose sum is σ = 12434659248. Its totient is φ = 12368163000.

The previous prime is 12401411111. The next prime is 12401411159. The reversal of 12401411123 is 32111410421.

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 12401411123 - 2⁶ = 12401411059 is a prime.

It is a super-4 number, since 4×12401411123⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12401411095 and 12401411104.

It is not an unprimeable number, because it can be changed into a prime (12401416123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16623503 + ... + 16624248.

It is an arithmetic number, because the mean of its divisors is an integer number (3108664812).

Almost surely, 2^12401411123 is an apocalyptic number.

12401411123 is a deficient number, since it is larger than the sum of its proper divisors (33248125).

12401411123 is an equidigital number, since it uses as much as digits as its factorization.

12401411123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33248124.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12401411123 its reverse (32111410421), we get a palindrome (44512821544).

The spelling of 12401411123 in words is "twelve billion, four hundred one million, four hundred eleven thousand, one hundred twenty-three".