12001012111201 has 8 divisors (see below), whose sum is σ = 12688294747680. Its totient is φ = 11319294516768.

The previous prime is 12001012111189. The next prime is 12001012111237. The reversal of 12001012111201 is 10211121010021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12001012111201 - 2⁷ = 12001012111073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001012117201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391256076 + ... + 1391264701.

It is an arithmetic number, because the mean of its divisors is an integer number (1586036843460).

Almost surely, 2^{12001012111201} is an apocalyptic number.

It is an amenable number.

12001012111201 is a deficient number, since it is larger than the sum of its proper divisors (687282636479).

12001012111201 is a wasteful number, since it uses less digits than its factorization.

12001012111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782521023.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12001012111201 its reverse (10211121010021), we get a palindrome (22212133121222).

The spelling of 12001012111201 in words is "twelve trillion, one billion, twelve million, one hundred eleven thousand, two hundred one".