122221132000 has 288 divisors, whose sum is σ = 335094308640. Its totient is φ = 43769088000.

The previous prime is 122221131971. The next prime is 122221132027. The reversal of 122221132000 is 231122221.

It is a happy number.

It is a super-2 number, since 2×122221132000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32426116 + ... + 32429884.

It is an arithmetic number, because the mean of its divisors is an integer number (1163521905).

Almost surely, 2^122221132000 is an apocalyptic number.

122221132000 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 122221132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167547154320).

122221132000 is an abundant number, since it is smaller than the sum of its proper divisors (212873176640).

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

122221132000 is a wasteful number, since it uses less digits than its factorization.

122221132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883 (or 3854 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122221132000 its reverse (231122221), we get a palindrome (122452254221).

The spelling of 122221132000 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred thirty-two thousand".