121000242032 has 40 divisors (see below), whose sum is σ = 248255735616. Its totient is φ = 56935028736.

The previous prime is 121000242019. The next prime is 121000242037. The reversal of 121000242032 is 230242000121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 121000242032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000242037) 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 7 ways as a sum of consecutive naturals, for example, 3265433 + ... + 3302279.

Almost surely, 2^121000242032 is an apocalyptic number.

It is an amenable number.

121000242032 is an abundant number, since it is smaller than the sum of its proper divisors (127255493584).

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

121000242032 is a wasteful number, since it uses less digits than its factorization.

121000242032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48945 (or 48939 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 121000242032 its reverse (230242000121), we get a palindrome (351242242153).

The spelling of 121000242032 in words is "one hundred twenty-one billion, two hundred forty-two thousand, thirty-two".