121332304442197 has 4 divisors (see below), whose sum is σ = 125246249746816. Its totient is φ = 117418359137580.

The previous prime is 121332304442183. The next prime is 121332304442203. The reversal of 121332304442197 is 791244403233121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121332304442197 - 2²³ = 121332296053589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121332304442117) 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, 1956972652263 + ... + 1956972652324.

It is an arithmetic number, because the mean of its divisors is an integer number (31311562436704).

Almost surely, 2^{121332304442197} is an apocalyptic number.

It is an amenable number.

121332304442197 is a deficient number, since it is larger than the sum of its proper divisors (3913945304619).

121332304442197 is an equidigital number, since it uses as much as digits as its factorization.

121332304442197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913945304618.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 121332304442197 in words is "one hundred twenty-one trillion, three hundred thirty-two billion, three hundred four million, four hundred forty-two thousand, one hundred ninety-seven".