212130132515 has 16 divisors (see below), whose sum is σ = 294190107840. Its totient is φ = 143826270720.

The previous prime is 212130132503. The next prime is 212130132541. The reversal of 212130132515 is 515231031212.

212130132515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212130132515 - 2¹⁴ = 212130116131 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34046666 + ... + 34052895.

It is an arithmetic number, because the mean of its divisors is an integer number (18386881740).

Almost surely, 2^212130132515 is an apocalyptic number.

212130132515 is a deficient number, since it is larger than the sum of its proper divisors (82059975325).

212130132515 is an equidigital number, since it uses as much as digits as its factorization.

212130132515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68099662.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 212130132515 its reverse (515231031212), we get a palindrome (727361163727).

The spelling of 212130132515 in words is "two hundred twelve billion, one hundred thirty million, one hundred thirty-two thousand, five hundred fifteen".