121200332301023 has 4 divisors (see below), whose sum is σ = 121443218739000. Its totient is φ = 120957445863048.

The previous prime is 121200332300939. The next prime is 121200332301073. The reversal of 121200332301023 is 320103233002121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121200332301023 - 2²⁶ = 121200265192159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121200332301023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200332301073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121443218240 + ... + 121443219237.

It is an arithmetic number, because the mean of its divisors is an integer number (30360804684750).

Almost surely, 2^{121200332301023} is an apocalyptic number.

121200332301023 is a deficient number, since it is larger than the sum of its proper divisors (242886437977).

121200332301023 is an equidigital number, since it uses as much as digits as its factorization.

121200332301023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242886437976.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121200332301023 its reverse (320103233002121), we get a palindrome (441303565303144).

The spelling of 121200332301023 in words is "one hundred twenty-one trillion, two hundred billion, three hundred thirty-two million, three hundred one thousand, twenty-three".