121331312297 has 8 divisors (see below), whose sum is σ = 130675929216. Its totient is φ = 111988329552.

The previous prime is 121331312293. The next prime is 121331312299. The reversal of 121331312297 is 792213133121.

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

It is a cyclic number.

It is not a de Polignac number, because 121331312297 - 2² = 121331312293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121331312293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252113 + ... + 553374.

It is an arithmetic number, because the mean of its divisors is an integer number (16334491152).

Almost surely, 2^121331312297 is an apocalyptic number.

It is an amenable number.

121331312297 is a deficient number, since it is larger than the sum of its proper divisors (9344616919).

121331312297 is a wasteful number, since it uses less digits than its factorization.

121331312297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817087.

The product of its digits is 13608, while the sum is 35.

The spelling of 121331312297 in words is "one hundred twenty-one billion, three hundred thirty-one million, three hundred twelve thousand, two hundred ninety-seven".