22200012120000 has 1120 divisors, whose sum is σ = 86607104855040. Its totient is φ = 4946135040000.

The previous prime is 22200012119843. The next prime is 22200012120029. The reversal of 22200012120000 is 2121000222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4101237294 + ... + 4101242706.

It is an arithmetic number, because the mean of its divisors is an integer number (77327772192).

Almost surely, 2^{22200012120000} is an apocalyptic number.

22200012120000 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 22200012120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43303552427520).

22200012120000 is an abundant number, since it is smaller than the sum of its proper divisors (64407092735040).

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

22200012120000 is a wasteful number, since it uses less digits than its factorization.

22200012120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711 (or 5686 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22200012120000 its reverse (2121000222), we get a palindrome (22202133120222).

The spelling of 22200012120000 in words is "twenty-two trillion, two hundred billion, twelve million, one hundred twenty thousand".