12130220133 has 12 divisors (see below), whose sum is σ = 17530613100. Its totient is φ = 8082574656.

The previous prime is 12130220129. The next prime is 12130220143. The reversal of 12130220133 is 33102203121.

It can be written as a sum of positive squares in 2 ways, for example, as 8753099364 + 3377120769 = 93558^2 + 58113^2 .

It is not a de Polignac number, because 12130220133 - 2² = 12130220129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130220143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335058 + ... + 369491.

It is an arithmetic number, because the mean of its divisors is an integer number (1460884425).

Almost surely, 2^12130220133 is an apocalyptic number.

It is an amenable number.

12130220133 is a deficient number, since it is larger than the sum of its proper divisors (5400392967).

12130220133 is a wasteful number, since it uses less digits than its factorization.

12130220133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706468 (or 706465 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12130220133 its reverse (33102203121), we get a palindrome (45232423254).

The spelling of 12130220133 in words is "twelve billion, one hundred thirty million, two hundred twenty thousand, one hundred thirty-three".