121884320356 has 6 divisors (see below), whose sum is σ = 213297560630. Its totient is φ = 60942160176.

The previous prime is 121884320347. The next prime is 121884320359. The reversal of 121884320356 is 653023488121.

It can be written as a sum of positive squares in only one way, i.e., 82263417856 + 39620902500 = 286816^2 + 199050^2 .

It is not an unprimeable number, because it can be changed into a prime (121884320359) by changing a digit.

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, 15235540041 + ... + 15235540048.

Almost surely, 2^121884320356 is an apocalyptic number.

It is an amenable number.

121884320356 is a deficient number, since it is larger than the sum of its proper divisors (91413240274).

121884320356 is a wasteful number, since it uses less digits than its factorization.

121884320356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30471080093 (or 30471080091 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 121884320356 in words is "one hundred twenty-one billion, eight hundred eighty-four million, three hundred twenty thousand, three hundred fifty-six".