997063212 has 12 divisors (see below), whose sum is σ = 2326480856. Its totient is φ = 332354400.

The previous prime is 997063211. The next prime is 997063253. The reversal of 997063212 is 212360799.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (997063211) 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 3 ways as a sum of consecutive naturals, for example, 41544289 + ... + 41544312.

Almost surely, 2^997063212 is an apocalyptic number.

It is an amenable number.

997063212 is an abundant number, since it is smaller than the sum of its proper divisors (1329417644).

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

997063212 is a wasteful number, since it uses less digits than its factorization.

997063212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83088608 (or 83088606 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 997063212 is about 31576.3077638916. The cubic root of 997063212 is about 999.0201107974.

The spelling of 997063212 in words is "nine hundred ninety-seven million, sixty-three thousand, two hundred twelve".