12201133213123 has 16 divisors (see below), whose sum is σ = 13364743392000. Its totient is φ = 11087091914752.

The previous prime is 12201133213097. The next prime is 12201133213127. The reversal of 12201133213123 is 32131233110221.

It is a cyclic number.

It is not a de Polignac number, because 12201133213123 - 2¹⁷ = 12201133082051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201133213127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16059918 + ... + 16802476.

It is an arithmetic number, because the mean of its divisors is an integer number (835296462000).

Almost surely, 2^{12201133213123} is an apocalyptic number.

12201133213123 is a deficient number, since it is larger than the sum of its proper divisors (1163610178877).

12201133213123 is a wasteful number, since it uses less digits than its factorization.

12201133213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775934.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12201133213123 its reverse (32131233110221), we get a palindrome (44332366323344).

The spelling of 12201133213123 in words is "twelve trillion, two hundred one billion, one hundred thirty-three million, two hundred thirteen thousand, one hundred twenty-three".