717000122111012 has 96 divisors (see below), whose sum is σ = 1379935546230528. Its totient is φ = 324577488420864.

The previous prime is 717000122111003. The next prime is 717000122111023. The reversal of 717000122111012 is 210111221000717.

It is a super-2 number, since 2×717000122111012² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238408763 + ... + 241397469.

It is an arithmetic number, because the mean of its divisors is an integer number (14374328606568).

Almost surely, 2^{717000122111012} is an apocalyptic number.

It is an amenable number.

717000122111012 is a deficient number, since it is larger than the sum of its proper divisors (662935424119516).

717000122111012 is a wasteful number, since it uses less digits than its factorization.

717000122111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989845 (or 2989843 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 26.

Adding to 717000122111012 its reverse (210111221000717), we get a palindrome (927111343111729).

The spelling of 717000122111012 in words is "seven hundred seventeen trillion, one hundred twenty-two million, one hundred eleven thousand, twelve".