212313015 has 16 divisors (see below), whose sum is σ = 377445600. Its totient is φ = 113233536.

The previous prime is 212312987. The next prime is 212313029. The reversal of 212313015 is 510313212.

It is not a de Polignac number, because 212313015 - 2⁶ = 212312951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786210 + ... + 786479.

It is an arithmetic number, because the mean of its divisors is an integer number (23590350).

Almost surely, 2^212313015 is an apocalyptic number.

212313015 is a deficient number, since it is larger than the sum of its proper divisors (165132585).

212313015 is a wasteful number, since it uses less digits than its factorization.

212313015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572703 (or 1572697 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 212313015 is about 14570.9647930396. The cubic root of 212313015 is about 596.5665144400.

Adding to 212313015 its reverse (510313212), we get a palindrome (722626227).

The spelling of 212313015 in words is "two hundred twelve million, three hundred thirteen thousand, fifteen".