12210222000 has 160 divisors (see below), whose sum is σ = 40430430144. Its totient is φ = 3168000000.

The previous prime is 12210221983. The next prime is 12210222019. The reversal of 12210222000 is 22201221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194500 + ... + 249500.

Almost surely, 2^12210222000 is an apocalyptic number.

12210222000 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 12210222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20215215072).

12210222000 is an abundant number, since it is smaller than the sum of its proper divisors (28220208144).

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

12210222000 is a wasteful number, since it uses less digits than its factorization.

12210222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55064 (or 55048 counting only the distinct ones).

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

Adding to 12210222000 its reverse (22201221), we get a palindrome (12232423221).

It can be divided in two parts, 12 and 210222000, that added together give a palindrome (210222012).

The spelling of 12210222000 in words is "twelve billion, two hundred ten million, two hundred twenty-two thousand".