12011112012201 has 16 divisors (see below), whose sum is σ = 16180132538304. Its totient is φ = 7924751944704.

The previous prime is 12011112012167. The next prime is 12011112012203. The reversal of 12011112012201 is 10221021111021.

It is a happy number.

It is not a de Polignac number, because 12011112012201 - 2²³ = 12011103623593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011112012203) 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, 25911670 + ... + 26371136.

It is an arithmetic number, because the mean of its divisors is an integer number (1011258283644).

Almost surely, 2^{12011112012201} is an apocalyptic number.

It is an amenable number.

12011112012201 is a deficient number, since it is larger than the sum of its proper divisors (4169020526103).

12011112012201 is an equidigital number, since it uses as much as digits as its factorization.

12011112012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549400.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12011112012201 its reverse (10221021111021), we get a palindrome (22232133123222).

The spelling of 12011112012201 in words is "twelve trillion, eleven billion, one hundred twelve million, twelve thousand, two hundred one".