12001012211101 has 8 divisors (see below), whose sum is σ = 12003286178304. Its totient is φ = 11998738450800.

The previous prime is 12001012210969. The next prime is 12001012211117. The reversal of 12001012211101 is 10111221010021.

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 12001012211101 - 2¹⁵ = 12001012178333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001012221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159112140 + ... + 159187546.

It is an arithmetic number, because the mean of its divisors is an integer number (1500410772288).

Almost surely, 2^{12001012211101} is an apocalyptic number.

It is an amenable number.

12001012211101 is a deficient number, since it is larger than the sum of its proper divisors (2273967203).

12001012211101 is an equidigital number, since it uses as much as digits as its factorization.

12001012211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103451.

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

Adding to 12001012211101 its reverse (10111221010021), we get a palindrome (22112233221122).

The spelling of 12001012211101 in words is "twelve trillion, one billion, twelve million, two hundred eleven thousand, one hundred one".