9997000312 has 32 divisors (see below), whose sum is σ = 20305731600. Its totient is φ = 4613992032.

The previous prime is 9997000283. The next prime is 9997000313. The reversal of 9997000312 is 2130007999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997000313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266818 + ... + 301969.

Almost surely, 2^9997000312 is an apocalyptic number.

It is an amenable number.

9997000312 is an abundant number, since it is smaller than the sum of its proper divisors (10308731288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9997000312 is a wasteful number, since it uses less digits than its factorization.

9997000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568832 (or 568802 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 9997000312 is about 99985.0004350653. Note that the first 3 decimals coincide. The cubic root of 9997000312 is about 2154.2192474255.

The spelling of 9997000312 in words is "nine billion, nine hundred ninety-seven million, three hundred twelve", and thus it is an aban number.