830505012 has 48 divisors (see below), whose sum is σ = 2053900800. Its totient is φ = 260288512.

The previous prime is 830504989. The next prime is 830505017. The reversal of 830505012 is 210505038.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830505017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344989 + ... + 347387.

It is an arithmetic number, because the mean of its divisors is an integer number (42789600).

Almost surely, 2^830505012 is an apocalyptic number.

It is an amenable number.

830505012 is an abundant number, since it is smaller than the sum of its proper divisors (1223395788).

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

830505012 is a wasteful number, since it uses less digits than its factorization.

830505012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120 (or 4118 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 830505012 is about 28818.4838601895. The cubic root of 830505012 is about 939.9702012585.

The spelling of 830505012 in words is "eight hundred thirty million, five hundred five thousand, twelve".