12212011212202 has 4 divisors (see below), whose sum is σ = 18318016818306. Its totient is φ = 6106005606100.

The previous prime is 12212011212151. The next prime is 12212011212217. The reversal of 12212011212202 is 20221211021221.

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., 10451907509481 + 1760103702721 = 3232941^2 + 1326689^2 .

It is a super-2 number, since 2×12212011212202² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12212011212202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053002803049 + ... + 3053002803052.

Almost surely, 2^{12212011212202} is an apocalyptic number.

12212011212202 is a deficient number, since it is larger than the sum of its proper divisors (6106005606104).

12212011212202 is an equidigital number, since it uses as much as digits as its factorization.

12212011212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106005606103.

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

Adding to 12212011212202 its reverse (20221211021221), we get a palindrome (32433222233423).

The spelling of 12212011212202 in words is "twelve trillion, two hundred twelve billion, eleven million, two hundred twelve thousand, two hundred two".