529215012 has 72 divisors (see below), whose sum is σ = 1418004000. Its totient is φ = 170681040.

The previous prime is 529214989. The next prime is 529215013. The reversal of 529215012 is 210512925.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (529215013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101239 + ... + 106337.

It is an arithmetic number, because the mean of its divisors is an integer number (19694500).

Almost surely, 2^529215012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 529215012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709002000).

529215012 is an abundant number, since it is smaller than the sum of its proper divisors (888788988).

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

529215012 is a wasteful number, since it uses less digits than its factorization.

529215012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174 (or 5135 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 529215012 is about 23004.6736990552. The cubic root of 529215012 is about 808.8674982631.

Adding to 529215012 its reverse (210512925), we get a palindrome (739727937).

The spelling of 529215012 in words is "five hundred twenty-nine million, two hundred fifteen thousand, twelve".