12012201321133 has 4 divisors (see below), whose sum is σ = 12936216807388. Its totient is φ = 11088185834880.

The previous prime is 12012201321119. The next prime is 12012201321139. The reversal of 12012201321133 is 33112310221021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3215863918089 + 8796337403044 = 1793283^2 + 2965862^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012201321133 - 2⁵ = 12012201321101 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 (12012201321139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462007743108 + ... + 462007743133.

It is an arithmetic number, because the mean of its divisors is an integer number (3234054201847).

Almost surely, 2^{12012201321133} is an apocalyptic number.

12012201321133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12012201321133 is a deficient number, since it is larger than the sum of its proper divisors (924015486255).

12012201321133 is an equidigital number, since it uses as much as digits as its factorization.

12012201321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924015486254.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12012201321133 its reverse (33112310221021), we get a palindrome (45124511542154).

The spelling of 12012201321133 in words is "twelve trillion, twelve billion, two hundred one million, three hundred twenty-one thousand, one hundred thirty-three".