121684233317 has 8 divisors (see below), whose sum is σ = 124813733880. Its totient is φ = 118591335360.

The previous prime is 121684233301. The next prime is 121684233373. The reversal of 121684233317 is 713332486121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26740752676 + 94943480641 = 163526^2 + 308129^2 .

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 121684233317 - 2⁴ = 121684233301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121684233817) 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, 9143918 + ... + 9157215.

It is an arithmetic number, because the mean of its divisors is an integer number (15601716735).

Almost surely, 2^121684233317 is an apocalyptic number.

It is an amenable number.

121684233317 is a deficient number, since it is larger than the sum of its proper divisors (3129500563).

121684233317 is a wasteful number, since it uses less digits than its factorization.

121684233317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18301303.

The product of its digits is 145152, while the sum is 41.

The spelling of 121684233317 in words is "one hundred twenty-one billion, six hundred eighty-four million, two hundred thirty-three thousand, three hundred seventeen".