12011121133 has 8 divisors (see below), whose sum is σ = 13141926720. Its totient is φ = 10886796480.

The previous prime is 12011121103. The next prime is 12011121169. The reversal of 12011121133 is 33112111021.

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 12011121133 - 2²¹ = 12009023981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011121103) 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, 1616353 + ... + 1623766.

It is an arithmetic number, because the mean of its divisors is an integer number (1642740840).

Almost surely, 2^12011121133 is an apocalyptic number.

It is an amenable number.

12011121133 is a deficient number, since it is larger than the sum of its proper divisors (1130805587).

12011121133 is a wasteful number, since it uses less digits than its factorization.

12011121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240467.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12011121133 its reverse (33112111021), we get a palindrome (45123232154).

The spelling of 12011121133 in words is "twelve billion, eleven million, one hundred twenty-one thousand, one hundred thirty-three".