17120320412 has 24 divisors (see below), whose sum is σ = 32370347856. Its totient is φ = 7875940608.

The previous prime is 17120320397. The next prime is 17120320429. The reversal of 17120320412 is 21402302171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520253 + ... + 552180.

It is an arithmetic number, because the mean of its divisors is an integer number (1348764494).

Almost surely, 2^17120320412 is an apocalyptic number.

It is an amenable number.

17120320412 is a deficient number, since it is larger than the sum of its proper divisors (15250027444).

17120320412 is a wasteful number, since it uses less digits than its factorization.

17120320412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072757 (or 1072755 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 17120320412 its reverse (21402302171), we get a palindrome (38522622583).

The spelling of 17120320412 in words is "seventeen billion, one hundred twenty million, three hundred twenty thousand, four hundred twelve".