12210202120202 has 4 divisors (see below), whose sum is σ = 18315303180306. Its totient is φ = 6105101060100.

The previous prime is 12210202120141. The next prime is 12210202120223. The reversal of 12210202120202 is 20202120201221.

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., 12169276425601 + 40925694601 = 3488449^2 + 202301^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052550530049 + ... + 3052550530052.

Almost surely, 2^{12210202120202} is an apocalyptic number.

12210202120202 is a deficient number, since it is larger than the sum of its proper divisors (6105101060104).

12210202120202 is an equidigital number, since it uses as much as digits as its factorization.

12210202120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105101060103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12210202120202 its reverse (20202120201221), we get a palindrome (32412322321423).

The spelling of 12210202120202 in words is "twelve trillion, two hundred ten billion, two hundred two million, one hundred twenty thousand, two hundred two".