12133051211 has 16 divisors (see below), whose sum is σ = 12608582400. Its totient is φ = 11666122848.

The previous prime is 12133051201. The next prime is 12133051237. The reversal of 12133051211 is 11215033121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12133051211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133051201) 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, 1073930 + ... + 1085168.

It is an arithmetic number, because the mean of its divisors is an integer number (788036400).

Almost surely, 2^12133051211 is an apocalyptic number.

12133051211 is a deficient number, since it is larger than the sum of its proper divisors (475531189).

12133051211 is a wasteful number, since it uses less digits than its factorization.

12133051211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11618.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 12133051211 its reverse (11215033121), we get a palindrome (23348084332).

The spelling of 12133051211 in words is "twelve billion, one hundred thirty-three million, fifty-one thousand, two hundred eleven".