919072012 has 6 divisors (see below), whose sum is σ = 1608376028. Its totient is φ = 459536004.

The previous prime is 919072001. The next prime is 919072013. The reversal of 919072012 is 210270919.

It is not an unprimeable number, because it can be changed into a prime (919072013) 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 as a sum of consecutive naturals, namely, 114883998 + ... + 114884005.

Almost surely, 2^919072012 is an apocalyptic number.

It is an amenable number.

919072012 is a deficient number, since it is larger than the sum of its proper divisors (689304016).

919072012 is a wasteful number, since it uses less digits than its factorization.

919072012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229768007 (or 229768005 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 919072012 is about 30316.2004875281. The cubic root of 919072012 is about 972.2617050622.

The spelling of 919072012 in words is "nine hundred nineteen million, seventy-two thousand, twelve".