212310530252 has 24 divisors (see below), whose sum is σ = 375264323616. Its totient is φ = 105092777088.

The previous prime is 212310530251. The next prime is 212310530279. The reversal of 212310530252 is 252035013212.

It is a happy number.

212310530252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212310530252² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212310530251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1313288 + ... + 1466064.

It is an arithmetic number, because the mean of its divisors is an integer number (15636013484).

Almost surely, 2^212310530252 is an apocalyptic number.

It is an amenable number.

212310530252 is a deficient number, since it is larger than the sum of its proper divisors (162953793364).

212310530252 is a wasteful number, since it uses less digits than its factorization.

212310530252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156257 (or 156255 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 212310530252 its reverse (252035013212), we get a palindrome (464345543464).

The spelling of 212310530252 in words is "two hundred twelve billion, three hundred ten million, five hundred thirty thousand, two hundred fifty-two".