605640213335122 has 48 divisors (see below), whose sum is σ = 1157528196875160. Its totient is φ = 235867993815552.

The previous prime is 605640213335117. The next prime is 605640213335123. The reversal of 605640213335122 is 221533312046506.

It can be written as a sum of positive squares in 4 ways, for example, as 604504882595761 + 1135330739361 = 24586681^2 + 1065519^2 .

It is a super-2 number, since 2×605640213335122² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (605640213335123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6267702373 + ... + 6267799000.

Almost surely, 2^{605640213335122} is an apocalyptic number.

605640213335122 is a deficient number, since it is larger than the sum of its proper divisors (551887983540038).

605640213335122 is a wasteful number, since it uses less digits than its factorization.

605640213335122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12535501435 (or 12535501428 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 605640213335122 in words is "six hundred five trillion, six hundred forty billion, two hundred thirteen million, three hundred thirty-five thousand, one hundred twenty-two".