122223330000 has 250 divisors, whose sum is σ = 442048650714. Its totient is φ = 32592672000.

The previous prime is 122223329983. The next prime is 122223330007. The reversal of 122223330000 is 33322221.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 80086736016 + 42136593984 = 282996^2 + 205272^2 .

It is a tau number, because it is divible by the number of its divisors (250).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122223330007) by changing a digit.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 734554 + ... + 885446.

Almost surely, 2^122223330000 is an apocalyptic number.

122223330000 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 122223330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221024325357).

122223330000 is an abundant number, since it is smaller than the sum of its proper divisors (319825320714).

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

122223330000 is an equidigital number, since it uses as much as digits as its factorization.

122223330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150933 (or 150903 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 122223330000 its reverse (33322221), we get a palindrome (122256652221).

The spelling of 122223330000 in words is "one hundred twenty-two billion, two hundred twenty-three million, three hundred thirty thousand".