222202122212000 has 288 divisors, whose sum is σ = 641373439923216. Its totient is φ = 75429285120000.

The previous prime is 222202122211997. The next prime is 222202122212027. The reversal of 222202122212000 is 212221202222.

It can be written as a sum of positive squares in 8 ways, for example, as 81753930236944 + 140448191975056 = 9041788^2 + 11851084^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14183702 + ... + 25408298.

Almost surely, 2^{222202122212000} is an apocalyptic number.

222202122212000 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 222202122212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320686719961608).

222202122212000 is an abundant number, since it is smaller than the sum of its proper divisors (419171317711216).

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

222202122212000 is a wasteful number, since it uses less digits than its factorization.

222202122212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11224737 (or 11224712 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222202122212000 its reverse (212221202222), we get a palindrome (222414343414222).

It can be divided in two parts, 22 and 2202122212000, that added together give a palindrome (2202122212022).

The spelling of 222202122212000 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred twenty-two million, two hundred twelve thousand".