12222333000 has 160 divisors (see below), whose sum is σ = 42724127160. Its totient is φ = 3259267200.

The previous prime is 12222332929. The next prime is 12222333023. The reversal of 12222333000 is 33322221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1107691524 + 11114641476 = 33282^2 + 105426^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5554 + ... + 156446.

Almost surely, 2^12222333000 is an apocalyptic number.

12222333000 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 12222333000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21362063580).

12222333000 is an abundant number, since it is smaller than the sum of its proper divisors (30501794160).

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

12222333000 is a wasteful number, since it uses less digits than its factorization.

12222333000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150926 (or 150903 counting only the distinct ones).

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

Adding to 12222333000 its reverse (33322221), we get a palindrome (12255655221).

The spelling of 12222333000 in words is "twelve billion, two hundred twenty-two million, three hundred thirty-three thousand".