12212200112021 has 16 divisors (see below), whose sum is σ = 15254734475904. Its totient is φ = 9518185157184.

The previous prime is 12212200111987. The next prime is 12212200112053. The reversal of 12212200112021 is 12021100221221.

It is a cyclic number.

It is not a de Polignac number, because 12212200112021 - 2²² = 12212195917717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212200012021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001486450 + ... + 1001498643.

It is an arithmetic number, because the mean of its divisors is an integer number (953420904744).

Almost surely, 2^{12212200112021} is an apocalyptic number.

It is an amenable number.

12212200112021 is a deficient number, since it is larger than the sum of its proper divisors (3042534363883).

12212200112021 is a wasteful number, since it uses less digits than its factorization.

12212200112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002985180.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212200112021 its reverse (12021100221221), we get a palindrome (24233300333242).

The spelling of 12212200112021 in words is "twelve trillion, two hundred twelve billion, two hundred million, one hundred twelve thousand, twenty-one".