13122121133 has 8 divisors (see below), whose sum is σ = 14316622176. Its totient is φ = 11927883600.

The previous prime is 13122121063. The next prime is 13122121171. The reversal of 13122121133 is 33112122131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13122121133 - 2¹² = 13122117037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122127133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46610 + ... + 168572.

It is an arithmetic number, because the mean of its divisors is an integer number (1789577772).

Almost surely, 2^13122121133 is an apocalyptic number.

It is an amenable number.

13122121133 is a deficient number, since it is larger than the sum of its proper divisors (1194501043).

13122121133 is a wasteful number, since it uses less digits than its factorization.

13122121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131755.

The product of its digits is 216, while the sum is 20.

Adding to 13122121133 its reverse (33112122131), we get a palindrome (46234243264).

The spelling of 13122121133 in words is "thirteen billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred thirty-three".