122032221220 has 192 divisors, whose sum is σ = 322620641280. Its totient is φ = 37743593472.

The previous prime is 122032221197. The next prime is 122032221239. The reversal of 122032221220 is 22122230221.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25945389 + ... + 25950091.

It is an arithmetic number, because the mean of its divisors is an integer number (1680315840).

Almost surely, 2^122032221220 is an apocalyptic number.

122032221220 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 122032221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161310320640).

122032221220 is an abundant number, since it is smaller than the sum of its proper divisors (200588420060).

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

122032221220 is a wasteful number, since it uses less digits than its factorization.

122032221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054 (or 5052 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 122032221220 its reverse (22122230221), we get a palindrome (144154451441).

Subtracting from 122032221220 its reverse (22122230221), we obtain a palindrome (99909990999).

The spelling of 122032221220 in words is "one hundred twenty-two billion, thirty-two million, two hundred twenty-one thousand, two hundred twenty".