12213122202122 has 8 divisors (see below), whose sum is σ = 19397311732836. Its totient is φ = 5747351624512.

The previous prime is 12213122202107. The next prime is 12213122202181. The reversal of 12213122202122 is 22120222131221.

It can be written as a sum of positive squares in 2 ways, for example, as 12148926351961 + 64195850161 = 3485531^2 + 253369^2 .

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

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, 179604738233 + ... + 179604738300.

Almost surely, 2^{12213122202122} is an apocalyptic number.

12213122202122 is a deficient number, since it is larger than the sum of its proper divisors (7184189530714).

12213122202122 is a wasteful number, since it uses less digits than its factorization.

12213122202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359209476552.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12213122202122 its reverse (22120222131221), we get a palindrome (34333344333343).

The spelling of 12213122202122 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-two million, two hundred two thousand, one hundred twenty-two".