121271453447164 has 24 divisors (see below), whose sum is σ = 212496415649280. Its totient is φ = 60558208672944.

The previous prime is 121271453447141. The next prime is 121271453447189. The reversal of 121271453447164 is 461744354172121.

121271453447164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26768707 + ... + 30969445.

It is an arithmetic number, because the mean of its divisors is an integer number (8854017318720).

Almost surely, 2^{121271453447164} is an apocalyptic number.

It is an amenable number.

121271453447164 is a deficient number, since it is larger than the sum of its proper divisors (91224962202116).

121271453447164 is a wasteful number, since it uses less digits than its factorization.

121271453447164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209969 (or 4209967 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The spelling of 121271453447164 in words is "one hundred twenty-one trillion, two hundred seventy-one billion, four hundred fifty-three million, four hundred forty-seven thousand, one hundred sixty-four".