212332130 has 8 divisors (see below), whose sum is σ = 382197852. Its totient is φ = 84932848.

The previous prime is 212332129. The next prime is 212332187. The reversal of 212332130 is 31233212.

It can be written as a sum of positive squares in 2 ways, for example, as 196308121 + 16024009 = 14011^2 + 4003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212332099 and 212332108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10616597 + ... + 10616616.

Almost surely, 2^212332130 is an apocalyptic number.

212332130 is a deficient number, since it is larger than the sum of its proper divisors (169865722).

212332130 is a wasteful number, since it uses less digits than its factorization.

212332130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21233220.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 212332130 is about 14571.6207060162. The cubic root of 212332130 is about 596.5844172940.

Adding to 212332130 its reverse (31233212), we get a palindrome (243565342).

The spelling of 212332130 in words is "two hundred twelve million, three hundred thirty-two thousand, one hundred thirty".