2223220313212 has 12 divisors (see below), whose sum is σ = 3892925516200. Its totient is φ = 1110955880016.

The previous prime is 2223220313203. The next prime is 2223220313233. The reversal of 2223220313212 is 2123130223222.

It is a super-2 number, since 2×2223220313212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163561503 + ... + 163575094.

Almost surely, 2^{2223220313212} is an apocalyptic number.

It is an amenable number.

2223220313212 is a deficient number, since it is larger than the sum of its proper divisors (1669705202988).

2223220313212 is a wasteful number, since it uses less digits than its factorization.

2223220313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327138300 (or 327138298 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2223220313212 its reverse (2123130223222), we get a palindrome (4346350536434).

The spelling of 2223220313212 in words is "two trillion, two hundred twenty-three billion, two hundred twenty million, three hundred thirteen thousand, two hundred twelve".