320012737712 has 10 divisors (see below), whose sum is σ = 620024679348. Its totient is φ = 160006368848.

The previous prime is 320012737687. The next prime is 320012737729. The reversal of 320012737712 is 217737210023.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000398038 + ... + 10000398069.

Almost surely, 2^320012737712 is an apocalyptic number.

It is an amenable number.

320012737712 is a deficient number, since it is larger than the sum of its proper divisors (300011941636).

320012737712 is a wasteful number, since it uses less digits than its factorization.

320012737712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000796115 (or 20000796109 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

Adding to 320012737712 its reverse (217737210023), we get a palindrome (537749947735).

The spelling of 320012737712 in words is "three hundred twenty billion, twelve million, seven hundred thirty-seven thousand, seven hundred twelve".