12012110012212 has 12 divisors (see below), whose sum is σ = 21039811831780. Its totient is φ = 6000735203136.

The previous prime is 12012110012173. The next prime is 12012110012213. The reversal of 12012110012212 is 21221001121021.

It can be written as a sum of positive squares in 2 ways, for example, as 7217744335396 + 4794365676816 = 2686586^2 + 2189604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012110012213) 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, 1329945663 + ... + 1329954694.

Almost surely, 2^{12012110012212} is an apocalyptic number.

It is an amenable number.

12012110012212 is a deficient number, since it is larger than the sum of its proper divisors (9027701819568).

12012110012212 is a wasteful number, since it uses less digits than its factorization.

12012110012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659901490 (or 2659901488 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012110012212 its reverse (21221001121021), we get a palindrome (33233111133233).

The spelling of 12012110012212 in words is "twelve trillion, twelve billion, one hundred ten million, twelve thousand, two hundred twelve".