12310101021212 has 48 divisors (see below), whose sum is σ = 23232010183200. Its totient is φ = 5689471207680.

The previous prime is 12310101021199. The next prime is 12310101021299. The reversal of 12310101021212 is 21212010101321.

It is a happy number.

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, 7713287 + ... + 9171422.

It is an arithmetic number, because the mean of its divisors is an integer number (484000212150).

Almost surely, 2^{12310101021212} is an apocalyptic number.

It is an amenable number.

12310101021212 is a deficient number, since it is larger than the sum of its proper divisors (10921909161988).

12310101021212 is a wasteful number, since it uses less digits than its factorization.

12310101021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16884966 (or 16884964 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12310101021212 its reverse (21212010101321), we get a palindrome (33522111122533).

The spelling of 12310101021212 in words is "twelve trillion, three hundred ten billion, one hundred one million, twenty-one thousand, two hundred twelve".