9012210112 has 56 divisors (see below), whose sum is σ = 18919952000. Its totient is φ = 4247375616.

The previous prime is 9012210073. The next prime is 9012210113. The reversal of 9012210112 is 2110122109.

It is a happy number.

It is a super-2 number, since 2×9012210112² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 9012210112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9012210113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223363 + ... + 260605.

Almost surely, 2^9012210112 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 9012210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9459976000).

9012210112 is an abundant number, since it is smaller than the sum of its proper divisors (9907741888).

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

9012210112 is a wasteful number, since it uses less digits than its factorization.

9012210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37473 (or 37463 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 9012210112 is about 94932.6609339483. The cubic root of 9012210112 is about 2081.0240667344.

The spelling of 9012210112 in words is "nine billion, twelve million, two hundred ten thousand, one hundred twelve".