12200021022021 has 32 divisors (see below), whose sum is σ = 19685265223680. Its totient is φ = 6560956613376.

The previous prime is 12200021021983. The next prime is 12200021022029. The reversal of 12200021022021 is 12022012000221.

It is not a de Polignac number, because 12200021022021 - 2²² = 12200016827717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200021022029) 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, 4883040 + ... + 6945798.

It is an arithmetic number, because the mean of its divisors is an integer number (615164538240).

Almost surely, 2^{12200021022021} is an apocalyptic number.

It is an amenable number.

12200021022021 is a deficient number, since it is larger than the sum of its proper divisors (7485244201659).

12200021022021 is a wasteful number, since it uses less digits than its factorization.

12200021022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079353.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12200021022021 its reverse (12022012000221), we get a palindrome (24222033022242).

The spelling of 12200021022021 in words is "twelve trillion, two hundred billion, twenty-one million, twenty-two thousand, twenty-one".