12200012101021 has 16 divisors (see below), whose sum is σ = 12851703763200. Its totient is φ = 11564252280000.

The previous prime is 12200012101001. The next prime is 12200012101073. The reversal of 12200012101021 is 12010121000221.

It is not a de Polignac number, because 12200012101021 - 2¹⁹ = 12200011576733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200012100992 and 12200012101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200012101001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3462270 + ... + 6032191.

It is an arithmetic number, because the mean of its divisors is an integer number (803231485200).

Almost surely, 2^{12200012101021} is an apocalyptic number.

It is an amenable number.

12200012101021 is a deficient number, since it is larger than the sum of its proper divisors (651691662179).

12200012101021 is an equidigital number, since it uses as much as digits as its factorization.

12200012101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9495300.

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

Adding to 12200012101021 its reverse (12010121000221), we get a palindrome (24210133101242).

The spelling of 12200012101021 in words is "twelve trillion, two hundred billion, twelve million, one hundred one thousand, twenty-one".