121384328486 has 4 divisors (see below), whose sum is σ = 182076492732. Its totient is φ = 60692164242.

The previous prime is 121384328447. The next prime is 121384328501. The reversal of 121384328486 is 684823483121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 684823483121 = 23719 ⋅28872359.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30346082120 + ... + 30346082123.

It is an arithmetic number, because the mean of its divisors is an integer number (45519123183).

Almost surely, 2^121384328486 is an apocalyptic number.

121384328486 is a deficient number, since it is larger than the sum of its proper divisors (60692164246).

121384328486 is an equidigital number, since it uses as much as digits as its factorization.

121384328486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60692164245.

The product of its digits is 1769472, while the sum is 50.

The spelling of 121384328486 in words is "one hundred twenty-one billion, three hundred eighty-four million, three hundred twenty-eight thousand, four hundred eighty-six".