12122202000 has 160 divisors (see below), whose sum is σ = 39215240064. Its totient is φ = 3221568000.

The previous prime is 12122201999. The next prime is 12122202007. The reversal of 12122202000 is 20222121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12122202007) 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, 1838710 + ... + 1845290.

Almost surely, 2^12122202000 is an apocalyptic number.

12122202000 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 12122202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19607620032).

12122202000 is an abundant number, since it is smaller than the sum of its proper divisors (27093038064).

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

12122202000 is a wasteful number, since it uses less digits than its factorization.

12122202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914 (or 6898 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12122202000 its reverse (20222121), we get a palindrome (12142424121).

The spelling of 12122202000 in words is "twelve billion, one hundred twenty-two million, two hundred two thousand".