12223033333212 has 96 divisors (see below), whose sum is σ = 31087492027200. Its totient is φ = 3715400908800.

The previous prime is 12223033333163. The next prime is 12223033333219. The reversal of 12223033333212 is 21233333032221.

It is a self number, because there is not a number n which added to its sum of digits gives 12223033333212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223033333219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6210558 + ... + 7938330.

It is an arithmetic number, because the mean of its divisors is an integer number (323828041950).

Almost surely, 2^{12223033333212} is an apocalyptic number.

12223033333212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12223033333212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15543746013600).

12223033333212 is an abundant number, since it is smaller than the sum of its proper divisors (18864458693988).

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

12223033333212 is a wasteful number, since it uses less digits than its factorization.

12223033333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728343 (or 1728341 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 12223033333212 its reverse (21233333032221), we get a palindrome (33456366365433).

The spelling of 12223033333212 in words is "twelve trillion, two hundred twenty-three billion, thirty-three million, three hundred thirty-three thousand, two hundred twelve".