121312310322201 has 16 divisors (see below), whose sum is σ = 161772162478080. Its totient is φ = 80863666425360.

The previous prime is 121312310322187. The next prime is 121312310322251. The reversal of 121312310322201 is 102223013213121.

It is not a de Polignac number, because 121312310322201 - 2¹⁴ = 121312310305817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121312310322251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1684132056 + ... + 1684204086.

It is an arithmetic number, because the mean of its divisors is an integer number (10110760154880).

Almost surely, 2^{121312310322201} is an apocalyptic number.

It is an amenable number.

121312310322201 is a deficient number, since it is larger than the sum of its proper divisors (40459852155879).

121312310322201 is an equidigital number, since it uses as much as digits as its factorization.

121312310322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142036.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121312310322201 its reverse (102223013213121), we get a palindrome (223535323535322).

The spelling of 121312310322201 in words is "one hundred twenty-one trillion, three hundred twelve billion, three hundred ten million, three hundred twenty-two thousand, two hundred one".