122532321440 has 48 divisors (see below), whose sum is σ = 289627319520. Its totient is φ = 48988427520.

The previous prime is 122532321433. The next prime is 122532321449. The reversal of 122532321440 is 44123235221.

It is not an unprimeable number, because it can be changed into a prime (122532321449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 131351 + ... + 512169.

It is an arithmetic number, because the mean of its divisors is an integer number (6033902490).

Almost surely, 2^122532321440 is an apocalyptic number.

122532321440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122532321440 is an abundant number, since it is smaller than the sum of its proper divisors (167094998080).

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

122532321440 is a wasteful number, since it uses less digits than its factorization.

122532321440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382845 (or 382837 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 122532321440 its reverse (44123235221), we get a palindrome (166655556661).

The spelling of 122532321440 in words is "one hundred twenty-two billion, five hundred thirty-two million, three hundred twenty-one thousand, four hundred forty".