121312001322331 has 8 divisors (see below), whose sum is σ = 124430443304400. Its totient is φ = 118224282906912.

The previous prime is 121312001322301. The next prime is 121312001322341. The reversal of 121312001322331 is 133223100213121.

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 121312001322331 - 2²³ = 121311992933723 is a prime.

It is a super-2 number, since 2×121312001322331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121312001322296 and 121312001322305.

It is not an unprimeable number, because it can be changed into a prime (121312001322301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7680883665 + ... + 7680899458.

It is an arithmetic number, because the mean of its divisors is an integer number (15553805413050).

Almost surely, 2^{121312001322331} is an apocalyptic number.

121312001322331 is a deficient number, since it is larger than the sum of its proper divisors (3118441982069).

121312001322331 is a wasteful number, since it uses less digits than its factorization.

121312001322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15361783325.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121312001322331 its reverse (133223100213121), we get a palindrome (254535101535452).

The spelling of 121312001322331 in words is "one hundred twenty-one trillion, three hundred twelve billion, one million, three hundred twenty-two thousand, three hundred thirty-one".