12012113031222 has 32 divisors (see below), whose sum is σ = 24081241639392. Its totient is φ = 3994536259584.

The previous prime is 12012113031203. The next prime is 12012113031253. The reversal of 12012113031222 is 22213031121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43136098 + ... + 43413674.

It is an arithmetic number, because the mean of its divisors is an integer number (752538801231).

Almost surely, 2^{12012113031222} is an apocalyptic number.

12012113031222 is an abundant number, since it is smaller than the sum of its proper divisors (12069128608170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012113031222 is a wasteful number, since it uses less digits than its factorization.

12012113031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294672.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12012113031222 its reverse (22213031121021), we get a palindrome (34225144152243).

The spelling of 12012113031222 in words is "twelve trillion, twelve billion, one hundred thirteen million, thirty-one thousand, two hundred twenty-two".