12211212201112 has 16 divisors (see below), whose sum is σ = 22968250083360. Its totient is φ = 6086345512224.

The previous prime is 12211212201101. The next prime is 12211212201137. The reversal of 12211212201112 is 21110221211221.

It is a happy number.

12211212201112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211212201112² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211212201112.

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, 2407570848 + ... + 2407575919.

It is an arithmetic number, because the mean of its divisors is an integer number (1435515630210).

Almost surely, 2^{12211212201112} is an apocalyptic number.

It is an amenable number.

12211212201112 is a deficient number, since it is larger than the sum of its proper divisors (10757037882248).

12211212201112 is a wasteful number, since it uses less digits than its factorization.

12211212201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4815147090 (or 4815147086 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12211212201112 its reverse (21110221211221), we get a palindrome (33321433412333).

The spelling of 12211212201112 in words is "twelve trillion, two hundred eleven billion, two hundred twelve million, two hundred one thousand, one hundred twelve".