121288312320001 has 4 divisors (see below), whose sum is σ = 125200838523904. Its totient is φ = 117375786116100.

The previous prime is 121288312319953. The next prime is 121288312320053. The reversal of 121288312320001 is 100023213882121.

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 121288312320001 - 2⁴³ = 112492219297793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121288312320701) 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, 1956263101905 + ... + 1956263101966.

It is an arithmetic number, because the mean of its divisors is an integer number (31300209630976).

Almost surely, 2^{121288312320001} is an apocalyptic number.

It is an amenable number.

121288312320001 is a deficient number, since it is larger than the sum of its proper divisors (3912526203903).

121288312320001 is an equidigital number, since it uses as much as digits as its factorization.

121288312320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912526203902.

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 121288312320001 in words is "one hundred twenty-one trillion, two hundred eighty-eight billion, three hundred twelve million, three hundred twenty thousand, one".