121752032416 has 24 divisors (see below), whose sum is σ = 273942073440. Its totient is φ = 52179442368.

The previous prime is 121752032411. The next prime is 121752032429. The reversal of 121752032416 is 614230257121.

It is not an unprimeable number, because it can be changed into a prime (121752032411) 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 3 ways as a sum of consecutive naturals, for example, 271767706 + ... + 271768153.

It is an arithmetic number, because the mean of its divisors is an integer number (11414253060).

Almost surely, 2^121752032416 is an apocalyptic number.

121752032416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121752032416 is an abundant number, since it is smaller than the sum of its proper divisors (152190041024).

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

121752032416 is an equidigital number, since it uses as much as digits as its factorization.

121752032416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543535876 (or 543535868 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 121752032416 its reverse (614230257121), we get a palindrome (735982289537).

The spelling of 121752032416 in words is "one hundred twenty-one billion, seven hundred fifty-two million, thirty-two thousand, four hundred sixteen".