122212020000000 has 2304 divisors, whose sum is σ = 487339452407808. Its totient is φ = 26611200000000.

The previous prime is 122212019999989. The next prime is 122212020000071. The reversal of 122212020000000 is 20212221.

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 255 ways as a sum of consecutive naturals, for example, 1210019999950 + ... + 1210020000050.

It is an arithmetic number, because the mean of its divisors is an integer number (211518859552).

Almost surely, 2^{122212020000000} is an apocalyptic number.

122212020000000 is a gapful number since it is divisible by the number (10) 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 122212020000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243669726203904).

122212020000000 is an abundant number, since it is smaller than the sum of its proper divisors (365127432407808).

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

122212020000000 is an frugal number, since it uses more digits than its factorization.

122212020000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 228 counting only the distinct ones).

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

Adding to 122212020000000 its reverse (20212221), we get a palindrome (122212040212221).

The spelling of 122212020000000 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty million", and thus it is an aban number.