2212321011200 has 120 divisors (see below), whose sum is σ = 5493870562488. Its totient is φ = 882882478080.

The previous prime is 2212321011181. The next prime is 2212321011239. The reversal of 2212321011200 is 21101232122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5342819 + ... + 5741981.

Almost surely, 2^{2212321011200} is an apocalyptic number.

2212321011200 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 2212321011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2746935281244).

2212321011200 is an abundant number, since it is smaller than the sum of its proper divisors (3281549551288).

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

2212321011200 is an equidigital number, since it uses as much as digits as its factorization.

2212321011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399624 (or 399603 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2212321011200 its reverse (21101232122), we get a palindrome (2233422243322).

The spelling of 2212321011200 in words is "two trillion, two hundred twelve billion, three hundred twenty-one million, eleven thousand, two hundred".