12210322222212 has 48 divisors (see below), whose sum is σ = 28526952041280. Its totient is φ = 4064937167232.

The previous prime is 12210322222187. The next prime is 12210322222229. The reversal of 12210322222212 is 21222222301221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85351839 + ... + 85494777.

It is an arithmetic number, because the mean of its divisors is an integer number (594311500860).

Almost surely, 2^{12210322222212} is an apocalyptic number.

12210322222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210322222212 is an abundant number, since it is smaller than the sum of its proper divisors (16316629819068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12210322222212 is a wasteful number, since it uses less digits than its factorization.

12210322222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151940 (or 151938 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12210322222212 its reverse (21222222301221), we get a palindrome (33432544523433).

The spelling of 12210322222212 in words is "twelve trillion, two hundred ten billion, three hundred twenty-two million, two hundred twenty-two thousand, two hundred twelve".