12211210012112 has 20 divisors (see below), whose sum is σ = 23659657860576. Its totient is φ = 6105491854560.

The previous prime is 12211210012109. The next prime is 12211210012229. The reversal of 12211210012112 is 21121001211221.

It is a super-2 number, since 2×12211210012112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6178214 + ... + 7911557.

Almost surely, 2^{12211210012112} is an apocalyptic number.

It is an amenable number.

12211210012112 is a deficient number, since it is larger than the sum of its proper divisors (11448447848464).

12211210012112 is a wasteful number, since it uses less digits than its factorization.

12211210012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14143946 (or 14143940 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12211210012112 its reverse (21121001211221), we get a palindrome (33332211223333).

The spelling of 12211210012112 in words is "twelve trillion, two hundred eleven billion, two hundred ten million, twelve thousand, one hundred twelve".