12310001212 has 48 divisors (see below), whose sum is σ = 23083647552. Its totient is φ = 5729771520.

The previous prime is 12310001201. The next prime is 12310001227. The reversal of 12310001212 is 21210001321.

It is a super-2 number, since 2×12310001212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12310001192 and 12310001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629508 + ... + 1637044.

It is an arithmetic number, because the mean of its divisors is an integer number (480909324).

Almost surely, 2^12310001212 is an apocalyptic number.

It is an amenable number.

12310001212 is a deficient number, since it is larger than the sum of its proper divisors (10773646340).

12310001212 is a wasteful number, since it uses less digits than its factorization.

12310001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8038 (or 8036 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12310001212 its reverse (21210001321), we get a palindrome (33520002533).

The spelling of 12310001212 in words is "twelve billion, three hundred ten million, one thousand, two hundred twelve".