12404122133 has 16 divisors (see below), whose sum is σ = 13410758256. Its totient is φ = 11405076480.

The previous prime is 12404122123. The next prime is 12404122141. The reversal of 12404122133 is 33122140421.

It can be written as a sum of positive squares in 8 ways, for example, as 5736093169 + 6668028964 = 75737^2 + 81658^2 .

It is a cyclic number.

It is not a de Polignac number, because 12404122133 - 2¹² = 12404118037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12404122099 and 12404122108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404122103) 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, 4667141 + ... + 4669797.

It is an arithmetic number, because the mean of its divisors is an integer number (838172391).

Almost surely, 2^12404122133 is an apocalyptic number.

12404122133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12404122133 is a deficient number, since it is larger than the sum of its proper divisors (1006636123).

12404122133 is a wasteful number, since it uses less digits than its factorization.

12404122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12404122133 its reverse (33122140421), we get a palindrome (45526262554).

The spelling of 12404122133 in words is "twelve billion, four hundred four million, one hundred twenty-two thousand, one hundred thirty-three".