212560630 has 16 divisors (see below), whose sum is σ = 382793040. Its totient is φ = 84983392.

The previous prime is 212560627. The next prime is 212560637. The reversal of 212560630 is 36065212.

It is a junction number, because it is equal to n+sod(n) for n = 212560595 and 212560604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212560637) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25437 + ... + 32743.

It is an arithmetic number, because the mean of its divisors is an integer number (23924565).

Almost surely, 2^212560630 is an apocalyptic number.

212560630 is a deficient number, since it is larger than the sum of its proper divisors (170232410).

212560630 is a wasteful number, since it uses less digits than its factorization.

212560630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 212560630 is about 14579.4591806418. The cubic root of 212560630 is about 596.7983442029.

The spelling of 212560630 in words is "two hundred twelve million, five hundred sixty thousand, six hundred thirty".