210212130312 has 32 divisors (see below), whose sum is σ = 583922584800. Its totient is φ = 70070710032.

The previous prime is 210212130311. The next prime is 210212130319. The reversal of 210212130312 is 213031212012.

210212130312 is a `hidden beast` number, since 2 + 10 + 212 + 130 + 312 = 666.

It is a super-3 number, since 3×210212130312³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (210212130311) 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, 486601938 + ... + 486602369.

It is an arithmetic number, because the mean of its divisors is an integer number (18247580775).

Almost surely, 2^210212130312 is an apocalyptic number.

It is an amenable number.

210212130312 is an abundant number, since it is smaller than the sum of its proper divisors (373710454488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210212130312 is a wasteful number, since it uses less digits than its factorization.

210212130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973204322 (or 973204312 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 210212130312 its reverse (213031212012), we get a palindrome (423243342324).

The spelling of 210212130312 in words is "two hundred ten billion, two hundred twelve million, one hundred thirty thousand, three hundred twelve".