9012920112 has 80 divisors (see below), whose sum is σ = 29566202880. Its totient is φ = 2575119168.

The previous prime is 9012920087. The next prime is 9012920131. The reversal of 9012920112 is 2110292109.

It is a super-3 number, since 3×9012920112³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 1487208 + ... + 1493255.

It is an arithmetic number, because the mean of its divisors is an integer number (369577536).

Almost surely, 2^9012920112 is an apocalyptic number.

It is an amenable number.

9012920112 is an abundant number, since it is smaller than the sum of its proper divisors (20553282768).

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

9012920112 is a wasteful number, since it uses less digits than its factorization.

9012920112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980487 (or 2980475 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 9012920112 is about 94936.4003530785. The cubic root of 9012920112 is about 2081.0787143835.

The spelling of 9012920112 in words is "nine billion, twelve million, nine hundred twenty thousand, one hundred twelve".