12310000212 has 24 divisors (see below), whose sum is σ = 30235088800. Its totient is φ = 3887368416.

The previous prime is 12310000207. The next prime is 12310000259. The reversal of 12310000212 is 21200001321.

It is a super-2 number, since 2×12310000212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26995387 + ... + 26995842.

Almost surely, 2^12310000212 is an apocalyptic number.

12310000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12310000212 is an abundant number, since it is smaller than the sum of its proper divisors (17925088588).

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

12310000212 is a wasteful number, since it uses less digits than its factorization.

12310000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53991255 (or 53991253 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12310000212 its reverse (21200001321), we get a palindrome (33510001533).

The spelling of 12310000212 in words is "twelve billion, three hundred ten million, two hundred twelve", and thus it is an aban number.