999532012 has 24 divisors (see below), whose sum is σ = 1842548400. Its totient is φ = 473126976.

The previous prime is 999532007. The next prime is 999532019. The reversal of 999532012 is 210235999.

It is not an unprimeable number, because it can be changed into a prime (999532019) 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, 127914 + ... + 135502.

It is an arithmetic number, because the mean of its divisors is an integer number (76772850).

Almost surely, 2^999532012 is an apocalyptic number.

It is an amenable number.

999532012 is a deficient number, since it is larger than the sum of its proper divisors (843016388).

999532012 is a wasteful number, since it uses less digits than its factorization.

999532012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345 (or 9343 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 999532012 is about 31615.3761957690. The cubic root of 999532012 is about 999.8439796589.

The spelling of 999532012 in words is "nine hundred ninety-nine million, five hundred thirty-two thousand, twelve".