122005443252 has 96 divisors (see below), whose sum is σ = 355206297600. Its totient is φ = 31664603520.

The previous prime is 122005443233. The next prime is 122005443257. The reversal of 122005443252 is 252344500221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122005443257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1128249 + ... + 1231647.

It is an arithmetic number, because the mean of its divisors is an integer number (3700065600).

Almost surely, 2^122005443252 is an apocalyptic number.

122005443252 is a gapful number since it is divisible by the number (12) 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 122005443252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177603148800).

122005443252 is an abundant number, since it is smaller than the sum of its proper divisors (233200854348).

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

122005443252 is a wasteful number, since it uses less digits than its factorization.

122005443252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104701 (or 104699 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 122005443252 its reverse (252344500221), we get a palindrome (374349943473).

The spelling of 122005443252 in words is "one hundred twenty-two billion, five million, four hundred forty-three thousand, two hundred fifty-two".