121785360322 has 12 divisors (see below), whose sum is σ = 187242279858. Its totient is φ = 59407491200.

The previous prime is 121785360293. The next prime is 121785360331. The reversal of 121785360322 is 223063587121.

It can be written as a sum of positive squares in 3 ways, for example, as 12157488121 + 109627872201 = 110261^2 + 331101^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18108679 + ... + 18115402.

Almost surely, 2^121785360322 is an apocalyptic number.

121785360322 is a deficient number, since it is larger than the sum of its proper divisors (65456919536).

121785360322 is an equidigital number, since it uses as much as digits as its factorization.

121785360322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36224165 (or 36224124 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 121785360322 in words is "one hundred twenty-one billion, seven hundred eighty-five million, three hundred sixty thousand, three hundred twenty-two".