22120212230000 has 100 divisors (see below), whose sum is σ = 54433202180808. Its totient is φ = 8703034080000.

The previous prime is 22120212229987. The next prime is 22120212230009. The reversal of 22120212230000 is 3221202122.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120212230009) 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, 17521322 + ... + 18741321.

Almost surely, 2^{22120212230000} is an apocalyptic number.

22120212230000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120212230000 is an abundant number, since it is smaller than the sum of its proper divisors (32312989950808).

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

22120212230000 is an equidigital number, since it uses as much as digits as its factorization.

22120212230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36262732 (or 36262711 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22120212230000 its reverse (3221202122), we get a palindrome (22123433432122).

It can be divided in two parts, 221202122 and 30000, that added together give a palindrome (221232122).

The spelling of 22120212230000 in words is "twenty-two trillion, one hundred twenty billion, two hundred twelve million, two hundred thirty thousand".