12212212110202 has 8 divisors (see below), whose sum is σ = 19727419562676. Its totient is φ = 5636405589312.

The previous prime is 12212212110193. The next prime is 12212212110211. The reversal of 12212212110202 is 20201121221221.

It is an interprime number because it is at equal distance from previous prime (12212212110193) and next prime (12212212110211).

It can be written as a sum of positive squares in 2 ways, for example, as 12100108347441 + 112103762761 = 3478521^2 + 334819^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12212212110202.

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, 234850232863 + ... + 234850232914.

Almost surely, 2^{12212212110202} is an apocalyptic number.

12212212110202 is a deficient number, since it is larger than the sum of its proper divisors (7515207452474).

12212212110202 is a wasteful number, since it uses less digits than its factorization.

12212212110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469700465792.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212212110202 its reverse (20201121221221), we get a palindrome (32413333331423).

The spelling of 12212212110202 in words is "twelve trillion, two hundred twelve billion, two hundred twelve million, one hundred ten thousand, two hundred two".