12201322000 has 160 divisors (see below), whose sum is σ = 33832191744. Its totient is φ = 4169088000.

The previous prime is 12201321973. The next prime is 12201322009. The reversal of 12201322000 is 22310221.

It is not an unprimeable number, because it can be changed into a prime (12201322009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4632684 + ... + 4635316.

Almost surely, 2^12201322000 is an apocalyptic number.

12201322000 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 12201322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16916095872).

12201322000 is an abundant number, since it is smaller than the sum of its proper divisors (21630869744).

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

12201322000 is a wasteful number, since it uses less digits than its factorization.

12201322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12201322000 its reverse (22310221), we get a palindrome (12223632221).

The spelling of 12201322000 in words is "twelve billion, two hundred one million, three hundred twenty-two thousand".