12210012021202 has 4 divisors (see below), whose sum is σ = 18315018031806. Its totient is φ = 6105006010600.

The previous prime is 12210012021191. The next prime is 12210012021281. The reversal of 12210012021202 is 20212021001221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11781980735121 + 428031286081 = 3432489^2 + 654241^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052503005299 + ... + 3052503005302.

Almost surely, 2^{12210012021202} is an apocalyptic number.

12210012021202 is a deficient number, since it is larger than the sum of its proper divisors (6105006010604).

12210012021202 is an equidigital number, since it uses as much as digits as its factorization.

12210012021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105006010603.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12210012021202 its reverse (20212021001221), we get a palindrome (32422033022423).

The spelling of 12210012021202 in words is "twelve trillion, two hundred ten billion, twelve million, twenty-one thousand, two hundred two".