121505057332 has 12 divisors (see below), whose sum is σ = 212713298980. Its totient is φ = 60729829056.

The previous prime is 121505057293. The next prime is 121505057357. The reversal of 121505057332 is 233750505121.

It can be written as a sum of positive squares in 2 ways, for example, as 41032984356 + 80472072976 = 202566^2 + 283676^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5662857 + ... + 5684272.

Almost surely, 2^121505057332 is an apocalyptic number.

It is an amenable number.

121505057332 is a deficient number, since it is larger than the sum of its proper divisors (91208241648).

121505057332 is a wasteful number, since it uses less digits than its factorization.

121505057332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349810 (or 11349808 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The spelling of 121505057332 in words is "one hundred twenty-one billion, five hundred five million, fifty-seven thousand, three hundred thirty-two".