12111200133323 has 16 divisors (see below), whose sum is σ = 12456809164800. Its totient is φ = 11768004198720.

The previous prime is 12111200133289. The next prime is 12111200133359. The reversal of 12111200133323 is 32333100211121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111200133323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111200136323) 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, 44711468 + ... + 44981526.

It is an arithmetic number, because the mean of its divisors is an integer number (778550572800).

Almost surely, 2^{12111200133323} is an apocalyptic number.

12111200133323 is a deficient number, since it is larger than the sum of its proper divisors (345609031477).

12111200133323 is a wasteful number, since it uses less digits than its factorization.

12111200133323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274522.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12111200133323 its reverse (32333100211121), we get a palindrome (44444300344444).

The spelling of 12111200133323 in words is "twelve trillion, one hundred eleven billion, two hundred million, one hundred thirty-three thousand, three hundred twenty-three".