12221202121202 has 8 divisors (see below), whose sum is σ = 18499984862700. Its totient is φ = 6054540500304.

The previous prime is 12221202121181. The next prime is 12221202121253. The reversal of 12221202121202 is 20212120212221.

12221202121202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11257897167841 + 963304953361 = 3355279^2 + 981481^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28030279877 + ... + 28030280312.

Almost surely, 2^{12221202121202} is an apocalyptic number.

12221202121202 is a deficient number, since it is larger than the sum of its proper divisors (6278782741498).

12221202121202 is a wasteful number, since it uses less digits than its factorization.

12221202121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56060560300.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12221202121202 its reverse (20212120212221), we get a palindrome (32433322333423).

The spelling of 12221202121202 in words is "twelve trillion, two hundred twenty-one billion, two hundred two million, one hundred twenty-one thousand, two hundred two".