222123021300000 has 864 divisors, whose sum is σ = 815574210940944. Its totient is φ = 57297300480000.

The previous prime is 222123021299999. The next prime is 222123021300017. The reversal of 222123021300000 is 3120321222.

222123021300000 is a `hidden beast` number, since 2 + 221 + 230 + 213 + 0 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 24 ways, for example, as 105801878288016 + 116321143011984 = 10286004^2 + 10785228^2 .

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 143 ways as a sum of consecutive naturals, for example, 5760880722 + ... + 5760919278.

Almost surely, 2^{222123021300000} is an apocalyptic number.

222123021300000 is a gapful number since it is divisible by the number (20) 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 222123021300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407787105470472).

222123021300000 is an abundant number, since it is smaller than the sum of its proper divisors (593451189640944).

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

222123021300000 is a wasteful number, since it uses less digits than its factorization.

222123021300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38808 (or 38777 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222123021300000 its reverse (3120321222), we get a palindrome (222126141621222).

The spelling of 222123021300000 in words is "two hundred twenty-two trillion, one hundred twenty-three billion, twenty-one million, three hundred thousand".