12211110212012 has 24 divisors (see below), whose sum is σ = 21431499692736. Its totient is φ = 6087827040768.

The previous prime is 12211110211991. The next prime is 12211110212083. The reversal of 12211110212012 is 21021201111221.

It is a super-2 number, since 2×12211110212012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20085533 + ... + 20684555.

It is an arithmetic number, because the mean of its divisors is an integer number (892979153864).

Almost surely, 2^{12211110212012} is an apocalyptic number.

It is an amenable number.

12211110212012 is a deficient number, since it is larger than the sum of its proper divisors (9220389480724).

12211110212012 is a wasteful number, since it uses less digits than its factorization.

12211110212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613817 (or 613815 counting only the distinct ones).

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

Adding to 12211110212012 its reverse (21021201111221), we get a palindrome (33232311323233).

The spelling of 12211110212012 in words is "twelve trillion, two hundred eleven billion, one hundred ten million, two hundred twelve thousand, twelve".