12012112022212 has 48 divisors (see below), whose sum is σ = 22860897394608. Its totient is φ = 5499596390400.

The previous prime is 12012112022203. The next prime is 12012112022213. The reversal of 12012112022212 is 21222021121021.

12012112022212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 253083449476 + 11759028572736 = 503074^2 + 3429144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12012112022212.

It is not an unprimeable number, because it can be changed into a prime (12012112022213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37472212 + ... + 37791412.

It is an arithmetic number, because the mean of its divisors is an integer number (476268695721).

Almost surely, 2^{12012112022212} is an apocalyptic number.

It is an amenable number.

12012112022212 is a deficient number, since it is larger than the sum of its proper divisors (10848785372396).

12012112022212 is a wasteful number, since it uses less digits than its factorization.

12012112022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334216 (or 334214 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12012112022212 its reverse (21222021121021), we get a palindrome (33234133143233).

The spelling of 12012112022212 in words is "twelve trillion, twelve billion, one hundred twelve million, twenty-two thousand, two hundred twelve".