121709939732 has 12 divisors (see below), whose sum is σ = 212994894336. Its totient is φ = 60854255640.

The previous prime is 121709939669. The next prime is 121709939783. The reversal of 121709939732 is 237939907121.

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 in 3 ways as a sum of consecutive naturals, for example, 453293 + ... + 669995.

It is an arithmetic number, because the mean of its divisors is an integer number (17749574528).

Almost surely, 2^121709939732 is an apocalyptic number.

It is an amenable number.

121709939732 is a deficient number, since it is larger than the sum of its proper divisors (91284954604).

121709939732 is a wasteful number, since it uses less digits than its factorization.

121709939732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357118 (or 357116 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 53.

The spelling of 121709939732 in words is "one hundred twenty-one billion, seven hundred nine million, nine hundred thirty-nine thousand, seven hundred thirty-two".