9011020912 has 20 divisors (see below), whose sum is σ = 17754767640. Its totient is φ = 4429145408.

The previous prime is 9011020897. The next prime is 9011020919. The reversal of 9011020912 is 2190201109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9011020919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4771843 + ... + 4773730.

It is an arithmetic number, because the mean of its divisors is an integer number (887738382).

Almost surely, 2^9011020912 is an apocalyptic number.

It is an amenable number.

9011020912 is a deficient number, since it is larger than the sum of its proper divisors (8743746728).

9011020912 is a wasteful number, since it uses less digits than its factorization.

9011020912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545640 (or 9545634 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 9011020912 is about 94926.3973402551. The cubic root of 9011020912 is about 2080.9325293405.

The spelling of 9011020912 in words is "nine billion, eleven million, twenty thousand, nine hundred twelve".