121014543252 has 48 divisors (see below), whose sum is σ = 288542499840. Its totient is φ = 39457001952.

The previous prime is 121014543211. The next prime is 121014543281. The reversal of 121014543252 is 252345410121.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 923899 + ... + 1046717.

It is an arithmetic number, because the mean of its divisors is an integer number (6011302080).

Almost surely, 2^121014543252 is an apocalyptic number.

121014543252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121014543252 is an abundant number, since it is smaller than the sum of its proper divisors (167527956588).

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

121014543252 is a wasteful number, since it uses less digits than its factorization.

121014543252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124620 (or 124618 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 121014543252 its reverse (252345410121), we get a palindrome (373359953373).

The spelling of 121014543252 in words is "one hundred twenty-one billion, fourteen million, five hundred forty-three thousand, two hundred fifty-two".