12100121211001 has 8 divisors (see below), whose sum is σ = 12114377003520. Its totient is φ = 12085865963712.

The previous prime is 12100121210911. The next prime is 12100121211053. The reversal of 12100121211001 is 10011212100121.

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 12100121211001 - 2¹¹ = 12100121208953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100121211071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59646820 + ... + 59849338.

It is an arithmetic number, because the mean of its divisors is an integer number (1514297125440).

Almost surely, 2^{12100121211001} is an apocalyptic number.

It is an amenable number.

12100121211001 is a deficient number, since it is larger than the sum of its proper divisors (14255792519).

12100121211001 is an equidigital number, since it uses as much as digits as its factorization.

12100121211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272615.

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

Adding to 12100121211001 its reverse (10011212100121), we get a palindrome (22111333311122).

The spelling of 12100121211001 in words is "twelve trillion, one hundred billion, one hundred twenty-one million, two hundred eleven thousand, one".