12223332004212 has 144 divisors (see below), whose sum is σ = 36928586735040. Its totient is φ = 3486263457600.

The previous prime is 12223332004139. The next prime is 12223332004241. The reversal of 12223332004212 is 21240023332221.

12223332004212 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 3 + 33 + 200 + 421 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 999162 + ... + 5044302.

Almost surely, 2^{12223332004212} is an apocalyptic number.

12223332004212 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 12223332004212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18464293367520).

12223332004212 is an abundant number, since it is smaller than the sum of its proper divisors (24705254730828).

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

12223332004212 is a wasteful number, since it uses less digits than its factorization.

12223332004212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045739 (or 4045724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12223332004212 its reverse (21240023332221), we get a palindrome (33463355336433).

The spelling of 12223332004212 in words is "twelve trillion, two hundred twenty-three billion, three hundred thirty-two million, four thousand, two hundred twelve".