12210010002122 has 4 divisors (see below), whose sum is σ = 18315015003186. Its totient is φ = 6105005001060.

The previous prime is 12210010002119. The next prime is 12210010002209. The reversal of 12210010002122 is 22120001001221.

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., 8154502760881 + 4055507241241 = 2855609^2 + 2013829^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12210010002097 and 12210010002106.

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, 3052502500529 + ... + 3052502500532.

Almost surely, 2^{12210010002122} is an apocalyptic number.

12210010002122 is a deficient number, since it is larger than the sum of its proper divisors (6105005001064).

12210010002122 is an equidigital number, since it uses as much as digits as its factorization.

12210010002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105005001063.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12210010002122 its reverse (22120001001221), we get a palindrome (34330011003343).

Subtracting 12210010002122 from its reverse (22120001001221), we obtain a palindrome (9909990999099).

The spelling of 12210010002122 in words is "twelve trillion, two hundred ten billion, ten million, two thousand, one hundred twenty-two".