12011045554201 has 4 divisors (see below), whose sum is σ = 12163084105600. Its totient is φ = 11859007002804.

The previous prime is 12011045554181. The next prime is 12011045554273. The reversal of 12011045554201 is 10245554011021.

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-12011045554201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011045554901) 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, 76019275581 + ... + 76019275738.

It is an arithmetic number, because the mean of its divisors is an integer number (3040771026400).

Almost surely, 2^{12011045554201} is an apocalyptic number.

It is an amenable number.

12011045554201 is a deficient number, since it is larger than the sum of its proper divisors (152038551399).

12011045554201 is an equidigital number, since it uses as much as digits as its factorization.

12011045554201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152038551398.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 12011045554201 its reverse (10245554011021), we get a palindrome (22256599565222).

The spelling of 12011045554201 in words is "twelve trillion, eleven billion, forty-five million, five hundred fifty-four thousand, two hundred one".