12222332100000 has 1728 divisors, whose sum is σ = 49562503046784. Its totient is φ = 2830464000000.

The previous prime is 12222332099969. The next prime is 12222332100001. The reversal of 12222332100000 is 123322221.

12222332100000 is a `hidden beast` number, since 1 + 222 + 233 + 210 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12222332100001) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 22344299727 + ... + 22344300273.

It is an arithmetic number, because the mean of its divisors is an integer number (28682004078).

Almost surely, 2^{12222332100000} is an apocalyptic number.

12222332100000 is a gapful number since it is divisible by the number (10) 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 12222332100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24781251523392).

12222332100000 is an abundant number, since it is smaller than the sum of its proper divisors (37340170946784).

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

12222332100000 is a wasteful number, since it uses less digits than its factorization.

12222332100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12222332100000 its reverse (123322221), we get a palindrome (12222455422221).

It can be divided in two parts, 1222233 and 2100000, that added together give a palindrome (3322233).

The spelling of 12222332100000 in words is "twelve trillion, two hundred twenty-two billion, three hundred thirty-two million, one hundred thousand".