121500124342 has 8 divisors (see below), whose sum is σ = 182347600032. Its totient is φ = 60717591000.

The previous prime is 121500124321. The next prime is 121500124387. The reversal of 121500124342 is 243421005121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16230909 + ... + 16238392.

It is an arithmetic number, because the mean of its divisors is an integer number (22793450004).

Almost surely, 2^121500124342 is an apocalyptic number.

121500124342 is a deficient number, since it is larger than the sum of its proper divisors (60847475690).

121500124342 is a wasteful number, since it uses less digits than its factorization.

121500124342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32471174.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 121500124342 its reverse (243421005121), we get a palindrome (364921129463).

The spelling of 121500124342 in words is "one hundred twenty-one billion, five hundred million, one hundred twenty-four thousand, three hundred forty-two".