121604356322 has 4 divisors (see below), whose sum is σ = 182406534486. Its totient is φ = 60802178160.

The previous prime is 121604356273. The next prime is 121604356333. The reversal of 121604356322 is 223653406121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 88977520681 + 32626835641 = 298291^2 + 180629^2 .

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, 30401089079 + ... + 30401089082.

Almost surely, 2^121604356322 is an apocalyptic number.

121604356322 is a deficient number, since it is larger than the sum of its proper divisors (60802178164).

121604356322 is an equidigital number, since it uses as much as digits as its factorization.

121604356322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60802178163.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 121604356322 in words is "one hundred twenty-one billion, six hundred four million, three hundred fifty-six thousand, three hundred twenty-two".