12223351212 has 48 divisors (see below), whose sum is σ = 29526346752. Its totient is φ = 3931611840.

The previous prime is 12223351211. The next prime is 12223351213. The reversal of 12223351212 is 21215332221.

It is an interprime number because it is at equal distance from previous prime (12223351211) and next prime (12223351213).

It is not an unprimeable number, because it can be changed into a prime (12223351211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81738 + ... + 176430.

It is an arithmetic number, because the mean of its divisors is an integer number (615132224).

Almost surely, 2^12223351212 is an apocalyptic number.

12223351212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12223351212 is an abundant number, since it is smaller than the sum of its proper divisors (17302995540).

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

12223351212 is a wasteful number, since it uses less digits than its factorization.

12223351212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95078 (or 95076 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

Adding to 12223351212 its reverse (21215332221), we get a palindrome (33438683433).

The spelling of 12223351212 in words is "twelve billion, two hundred twenty-three million, three hundred fifty-one thousand, two hundred twelve".