12021200012101 has 32 divisors (see below), whose sum is σ = 14700131112960. Its totient is φ = 9601013923776.

The previous prime is 12021200012009. The next prime is 12021200012111. The reversal of 12021200012101 is 10121000212021.

It is not a de Polignac number, because 12021200012101 - 2²¹ = 12021197914949 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 (12021200012111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4722891 + ... + 6807943.

It is an arithmetic number, because the mean of its divisors is an integer number (459379097280).

Almost surely, 2^{12021200012101} is an apocalyptic number.

It is an amenable number.

12021200012101 is a deficient number, since it is larger than the sum of its proper divisors (2678931100859).

12021200012101 is a wasteful number, since it uses less digits than its factorization.

12021200012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085793.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12021200012101 its reverse (10121000212021), we get a palindrome (22142200224122).

The spelling of 12021200012101 in words is "twelve trillion, twenty-one billion, two hundred million, twelve thousand, one hundred one".