9212112122 has 8 divisors (see below), whose sum is σ = 14418958176. Its totient is φ = 4405792732.

The previous prime is 9212112121. The next prime is 9212112197. The reversal of 9212112122 is 2212112129.

9212112122 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (9212112121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100131608 + ... + 100131699.

It is an arithmetic number, because the mean of its divisors is an integer number (1802369772).

Almost surely, 2^9212112122 is an apocalyptic number.

9212112122 is a deficient number, since it is larger than the sum of its proper divisors (5206846054).

9212112122 is a wasteful number, since it uses less digits than its factorization.

9212112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200263332.

The product of its digits is 288, while the sum is 23.

The square root of 9212112122 is about 95979.7484993579. The cubic root of 9212112122 is about 2096.2982497437.

The spelling of 9212112122 in words is "nine billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty-two".