12212220121202 has 8 divisors (see below), whose sum is σ = 18524154116700. Its totient is φ = 6037502082304.

The previous prime is 12212220121201. The next prime is 12212220121243. The reversal of 12212220121202 is 20212102221221.

It can be written as a sum of positive squares in 2 ways, for example, as 12186948342361 + 25271778841 = 3490981^2 + 158971^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12212220121201) 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 3 ways as a sum of consecutive naturals, for example, 34303988927 + ... + 34303989282.

Almost surely, 2^{12212220121202} is an apocalyptic number.

12212220121202 is a deficient number, since it is larger than the sum of its proper divisors (6311933995498).

12212220121202 is an equidigital number, since it uses as much as digits as its factorization.

12212220121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68607978300.

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

Adding to 12212220121202 its reverse (20212102221221), we get a palindrome (32424322342423).

The spelling of 12212220121202 in words is "twelve trillion, two hundred twelve billion, two hundred twenty million, one hundred twenty-one thousand, two hundred two".