12423330022212 has 192 divisors, whose sum is σ = 33554858131200. Its totient is φ = 3971317662720.

The previous prime is 12423330022199. The next prime is 12423330022217. The reversal of 12423330022212 is 21222003332421.

12423330022212 is a `hidden beast` number, since 1 + 2 + 423 + 3 + 3 + 0 + 0 + 22 + 212 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12423330022217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 458259714 + ... + 458286822.

It is an arithmetic number, because the mean of its divisors is an integer number (174764886100).

Almost surely, 2^{12423330022212} is an apocalyptic number.

12423330022212 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 12423330022212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16777429065600).

12423330022212 is an abundant number, since it is smaller than the sum of its proper divisors (21131528108988).

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

12423330022212 is a wasteful number, since it uses less digits than its factorization.

12423330022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28803 (or 28795 counting only the distinct ones).

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

Adding to 12423330022212 its reverse (21222003332421), we get a palindrome (33645333354633).

The spelling of 12423330022212 in words is "twelve trillion, four hundred twenty-three billion, three hundred thirty million, twenty-two thousand, two hundred twelve".