12212202000021 has 8 divisors (see below), whose sum is σ = 16282961479584. Its totient is φ = 8141455260240.

The previous prime is 12212201999971. The next prime is 12212202000059. The reversal of 12212202000021 is 12000020221221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12212202000021 - 2¹⁸ = 12212201737877 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 (12212202000421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662946 + ... + 4986371.

It is an arithmetic number, because the mean of its divisors is an integer number (2035370184948).

Almost surely, 2^{12212202000021} is an apocalyptic number.

It is an amenable number.

12212202000021 is a deficient number, since it is larger than the sum of its proper divisors (4070759479563).

12212202000021 is an equidigital number, since it uses as much as digits as its factorization.

12212202000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369891.

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

Adding to 12212202000021 its reverse (12000020221221), we get a palindrome (24212222221242).

The spelling of 12212202000021 in words is "twelve trillion, two hundred twelve billion, two hundred two million, twenty-one", and thus it is an aban number.