12011334434401 has 4 divisors (see below), whose sum is σ = 12011385271600. Its totient is φ = 12011283597204.

The previous prime is 12011334434383. The next prime is 12011334434471. The reversal of 12011334434401 is 10443443311021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011334434401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011334434471) 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, 25062531 + ... + 25537288.

It is an arithmetic number, because the mean of its divisors is an integer number (3002846317900).

Almost surely, 2^{12011334434401} is an apocalyptic number.

It is an amenable number.

12011334434401 is a deficient number, since it is larger than the sum of its proper divisors (50837199).

12011334434401 is an equidigital number, since it uses as much as digits as its factorization.

12011334434401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50837198.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 12011334434401 its reverse (10443443311021), we get a palindrome (22454777745422).

The spelling of 12011334434401 in words is "twelve trillion, eleven billion, three hundred thirty-four million, four hundred thirty-four thousand, four hundred one".