222112201001200 has 60 divisors (see below), whose sum is σ = 533631973961520. Its totient is φ = 88843646510080.

The previous prime is 222112201001147. The next prime is 222112201001203. The reversal of 222112201001200 is 2100102211222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112201001203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25256037 + ... + 32895163.

It is an arithmetic number, because the mean of its divisors is an integer number (8893866232692).

Almost surely, 2^{222112201001200} is an apocalyptic number.

222112201001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112201001200 is an abundant number, since it is smaller than the sum of its proper divisors (311519772960320).

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

222112201001200 is a wasteful number, since it uses less digits than its factorization.

222112201001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711834 (or 7711823 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222112201001200 its reverse (2100102211222), we get a palindrome (224212303212422).

The spelling of 222112201001200 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred one million, one thousand, two hundred".