22211001212000 has 48 divisors (see below), whose sum is σ = 54572429987712. Its totient is φ = 8884400483200.

The previous prime is 22211001211967. The next prime is 22211001212009. The reversal of 22211001212000 is 21210011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211001212009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776371152 + ... + 2776379151.

It is an arithmetic number, because the mean of its divisors is an integer number (1136925624744).

Almost surely, 2^{22211001212000} is an apocalyptic number.

22211001212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211001212000 is an abundant number, since it is smaller than the sum of its proper divisors (32361428775712).

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

22211001212000 is an equidigital number, since it uses as much as digits as its factorization.

22211001212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552750328 (or 5552750310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22211001212000 its reverse (21210011222), we get a palindrome (22232211223222).

The spelling of 22211001212000 in words is "twenty-two trillion, two hundred eleven billion, one million, two hundred twelve thousand".