212515130 has 32 divisors (see below), whose sum is σ = 406886976. Its totient is φ = 79638784.

The previous prime is 212515123. The next prime is 212515157. The reversal of 212515130 is 31515212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35837 + ... + 41343.

It is an arithmetic number, because the mean of its divisors is an integer number (12715218).

Almost surely, 2^212515130 is an apocalyptic number.

212515130 is a deficient number, since it is larger than the sum of its proper divisors (194371846).

212515130 is a wasteful number, since it uses less digits than its factorization.

212515130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 212515130 is about 14577.8986825948. The cubic root of 212515130 is about 596.7557582948.

The spelling of 212515130 in words is "two hundred twelve million, five hundred fifteen thousand, one hundred thirty".