212730450530 has 32 divisors (see below), whose sum is σ = 413252933184. Its totient is φ = 78378411456.

The previous prime is 212730450479. The next prime is 212730450571. The reversal of 212730450530 is 35054037212.

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, 1691312 + ... + 1812731.

It is an arithmetic number, because the mean of its divisors is an integer number (12914154162).

Almost surely, 2^212730450530 is an apocalyptic number.

212730450530 is a deficient number, since it is larger than the sum of its proper divisors (200522482654).

212730450530 is a wasteful number, since it uses less digits than its factorization.

212730450530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504530.

The product of its (nonzero) digits is 25200, while the sum is 32.

Adding to 212730450530 its reverse (35054037212), we get a palindrome (247784487742).

The spelling of 212730450530 in words is "two hundred twelve billion, seven hundred thirty million, four hundred fifty thousand, five hundred thirty".