12201202000021 has 16 divisors (see below), whose sum is σ = 13029625704960. Its totient is φ = 11399988922560.

The previous prime is 12201202000007. The next prime is 12201202000037. The reversal of 12201202000021 is 12000020210221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12201202000021 - 2⁵ = 12201201999989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201201999965 and 12201202000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201202000921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22752051 + ... + 23282143.

It is an arithmetic number, because the mean of its divisors is an integer number (814351606560).

Almost surely, 2^{12201202000021} is an apocalyptic number.

It is an amenable number.

12201202000021 is a deficient number, since it is larger than the sum of its proper divisors (828423704939).

12201202000021 is a wasteful number, since it uses less digits than its factorization.

12201202000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555756.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12201202000021 its reverse (12000020210221), we get a palindrome (24201222210242).

The spelling of 12201202000021 in words is "twelve trillion, two hundred one billion, two hundred two million, twenty-one", and thus it is an aban number.