997232934912 has 272 divisors, whose sum is σ = 2768219520000. Its totient is φ = 318976819200.

The previous prime is 997232934889. The next prime is 997232934947. The reversal of 997232934912 is 219439232799.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798424464 + ... + 798425712.

Almost surely, 2^997232934912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997232934912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384109760000).

997232934912 is an abundant number, since it is smaller than the sum of its proper divisors (1770986585088).

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

997232934912 is a wasteful number, since it uses less digits than its factorization.

997232934912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1416 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 60.

The spelling of 997232934912 in words is "nine hundred ninety-seven billion, two hundred thirty-two million, nine hundred thirty-four thousand, nine hundred twelve".