212313130 has 8 divisors (see below), whose sum is σ = 382163652. Its totient is φ = 84925248.

The previous prime is 212313107. The next prime is 212313133. The reversal of 212313130 is 31313212.

It can be written as a sum of positive squares in 2 ways, for example, as 181521729 + 30791401 = 13473^2 + 5549^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212313133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10615647 + ... + 10615666.

Almost surely, 2^212313130 is an apocalyptic number.

212313130 is a deficient number, since it is larger than the sum of its proper divisors (169850522).

212313130 is a wasteful number, since it uses less digits than its factorization.

212313130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21231320.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 212313130 is about 14570.9687392431. The cubic root of 212313130 is about 596.5666221507.

Adding to 212313130 its reverse (31313212), we get a palindrome (243626342).

The spelling of 212313130 in words is "two hundred twelve million, three hundred thirteen thousand, one hundred thirty".