123210222000 has 320 divisors, whose sum is σ = 417485612544. Its totient is φ = 31222195200.

The previous prime is 123210221929. The next prime is 123210222001. The reversal of 123210222000 is 222012321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (123210222001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9539547 + ... + 9552453.

Almost surely, 2^123210222000 is an apocalyptic number.

123210222000 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 123210222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208742806272).

123210222000 is an abundant number, since it is smaller than the sum of its proper divisors (294275390544).

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

123210222000 is a wasteful number, since it uses less digits than its factorization.

123210222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13013 (or 12997 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 123210222000 its reverse (222012321), we get a palindrome (123432234321).

The spelling of 123210222000 in words is "one hundred twenty-three billion, two hundred ten million, two hundred twenty-two thousand".