9072999212 has 24 divisors (see below), whose sum is σ = 17087343840. Its totient is φ = 4199650560.

The previous prime is 9072999209. The next prime is 9072999217. The reversal of 9072999212 is 2129992709.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9072999217) 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, 1089512 + ... + 1097807.

It is an arithmetic number, because the mean of its divisors is an integer number (711972660).

Almost surely, 2^9072999212 is an apocalyptic number.

It is an amenable number.

9072999212 is a deficient number, since it is larger than the sum of its proper divisors (8014344628).

9072999212 is a wasteful number, since it uses less digits than its factorization.

9072999212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187401 (or 2187399 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 50.

The square root of 9072999212 is about 95252.2924238572. The cubic root of 9072999212 is about 2085.6925557155.

The spelling of 9072999212 in words is "nine billion, seventy-two million, nine hundred ninety-nine thousand, two hundred twelve".