12012221100101 has 4 divisors (see below), whose sum is σ = 12023782430400. Its totient is φ = 12000659769804.

The previous prime is 12012221100083. The next prime is 12012221100137. The reversal of 12012221100101 is 10100112221021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12012221100101 - 2²² = 12012216905797 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 (12012221100151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5780663591 + ... + 5780665668.

It is an arithmetic number, because the mean of its divisors is an integer number (3005945607600).

Almost surely, 2^{12012221100101} is an apocalyptic number.

It is an amenable number.

12012221100101 is a deficient number, since it is larger than the sum of its proper divisors (11561330299).

12012221100101 is a wasteful number, since it uses less digits than its factorization.

12012221100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561330298.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12012221100101 its reverse (10100112221021), we get a palindrome (22112333321122).

The spelling of 12012221100101 in words is "twelve trillion, twelve billion, two hundred twenty-one million, one hundred thousand, one hundred one".