9912122 has 24 divisors (see below), whose sum is σ = 17241120. Its totient is φ = 4237760.

The previous prime is 9912121. The next prime is 9912137. The reversal of 9912122 is 2212199.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9912091 and 9912100.

It is not an unprimeable number, because it can be changed into a prime (9912121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5579 + ... + 7137.

It is an arithmetic number, because the mean of its divisors is an integer number (718380).

Almost surely, 2^9912122 is an apocalyptic number.

9912122 is a deficient number, since it is larger than the sum of its proper divisors (7328998).

9912122 is a wasteful number, since it uses less digits than its factorization.

9912122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1589 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

The square root of 9912122 is about 3148.3522674567. The cubic root of 9912122 is about 214.8105199175.

It can be divided in two parts, 991 and 2122, that added together give a palindrome (3113).

The spelling of 9912122 in words is "nine million, nine hundred twelve thousand, one hundred twenty-two".