222012212120000 has 140 divisors (see below), whose sum is σ = 551251253457696. Its totient is φ = 88686624000000.

The previous prime is 222012212119937. The next prime is 222012212120003. The reversal of 222012212120000 is 21212210222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012212120003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26344724 + ... + 33735276.

Almost surely, 2^{222012212120000} is an apocalyptic number.

222012212120000 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 222012212120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275625626728848).

222012212120000 is an abundant number, since it is smaller than the sum of its proper divisors (329239041337696).

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

222012212120000 is an frugal number, since it uses more digits than its factorization.

222012212120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7391336 (or 7391311 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222012212120000 its reverse (21212210222), we get a palindrome (222033424330222).

The spelling of 222012212120000 in words is "two hundred twenty-two trillion, twelve billion, two hundred twelve million, one hundred twenty thousand".