12212110012 has 12 divisors (see below), whose sum is σ = 21407604120. Its totient is φ = 6095651696.

The previous prime is 12212110007. The next prime is 12212110019. The reversal of 12212110012 is 21001121221.

It is a junction number, because it is equal to n+sod(n) for n = 12212109974 and 12212110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212110019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2598187 + ... + 2602882.

It is an arithmetic number, because the mean of its divisors is an integer number (1783967010).

Almost surely, 2^12212110012 is an apocalyptic number.

It is an amenable number.

12212110012 is a deficient number, since it is larger than the sum of its proper divisors (9195494108).

12212110012 is a wasteful number, since it uses less digits than its factorization.

12212110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201660 (or 5201658 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12212110012 its reverse (21001121221), we get a palindrome (33213231233).

The spelling of 12212110012 in words is "twelve billion, two hundred twelve million, one hundred ten thousand, twelve".