12312102213 has 12 divisors (see below), whose sum is σ = 17788873440. Its totient is φ = 8205887016.

The previous prime is 12312102211. The next prime is 12312102217. The reversal of 12312102213 is 31220121321.

12312102213 is a `hidden beast` number, since 1 + 231 + 210 + 221 + 3 = 666.

It is not a de Polignac number, because 12312102213 - 2¹ = 12312102211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312102211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145633 + ... + 214086.

It is an arithmetic number, because the mean of its divisors is an integer number (1482406120).

Almost surely, 2^12312102213 is an apocalyptic number.

It is an amenable number.

12312102213 is a deficient number, since it is larger than the sum of its proper divisors (5476771227).

12312102213 is a wasteful number, since it uses less digits than its factorization.

12312102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363528 (or 363525 counting only the distinct ones).

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

Adding to 12312102213 its reverse (31220121321), we get a palindrome (43532223534).

The spelling of 12312102213 in words is "twelve billion, three hundred twelve million, one hundred two thousand, two hundred thirteen".