9912178962 has 48 divisors (see below), whose sum is σ = 24553788480. Its totient is φ = 2830972896.

The previous prime is 9912178937. The next prime is 9912178963. The reversal of 9912178962 is 2698712199.

It is a junction number, because it is equal to n+sod(n) for n = 9912178899 and 9912178908.

It is not an unprimeable number, because it can be changed into a prime (9912178963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353013 + ... + 380055.

It is an arithmetic number, because the mean of its divisors is an integer number (511537260).

Almost surely, 2^9912178962 is an apocalyptic number.

9912178962 is an abundant number, since it is smaller than the sum of its proper divisors (14641609518).

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

9912178962 is a wasteful number, since it uses less digits than its factorization.

9912178962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29967 (or 29964 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 9912178962 is about 99559.9264865136. The cubic root of 9912178962 is about 2148.1093140065.

The spelling of 9912178962 in words is "nine billion, nine hundred twelve million, one hundred seventy-eight thousand, nine hundred sixty-two".