12011210123201 has 16 divisors (see below), whose sum is σ = 13231372124160. Its totient is φ = 10853859824640.

The previous prime is 12011210123197. The next prime is 12011210123203. The reversal of 12011210123201 is 10232101211021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12011210123201 - 2² = 12011210123197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011210123201.

It is not an unprimeable number, because it can be changed into a prime (12011210123203) 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, 89664056 + ... + 89797913.

It is an arithmetic number, because the mean of its divisors is an integer number (826960757760).

Almost surely, 2^{12011210123201} is an apocalyptic number.

It is an amenable number.

12011210123201 is a deficient number, since it is larger than the sum of its proper divisors (1220162000959).

12011210123201 is a wasteful number, since it uses less digits than its factorization.

12011210123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179462144.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12011210123201 its reverse (10232101211021), we get a palindrome (22243311334222).

The spelling of 12011210123201 in words is "twelve trillion, eleven billion, two hundred ten million, one hundred twenty-three thousand, two hundred one".