12220002212 has 24 divisors (see below), whose sum is σ = 24343405632. Its totient is φ = 5313044000.

The previous prime is 12220002191. The next prime is 12220002233. The reversal of 12220002212 is 21220002221.

It is an interprime number because it is at equal distance from previous prime (12220002191) and next prime (12220002233).

It is a super-2 number, since 2×12220002212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6036539 + ... + 6038562.

It is an arithmetic number, because the mean of its divisors is an integer number (1014308568).

Almost surely, 2^12220002212 is an apocalyptic number.

It is an amenable number.

12220002212 is a deficient number, since it is larger than the sum of its proper divisors (12123403420).

12220002212 is a wasteful number, since it uses less digits than its factorization.

12220002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075139 (or 12075137 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12220002212 its reverse (21220002221), we get a palindrome (33440004433).

Subtracting 12220002212 from its reverse (21220002221), we obtain a palindrome (9000000009).

The spelling of 12220002212 in words is "twelve billion, two hundred twenty million, two thousand, two hundred twelve".