2012112212194 has 32 divisors (see below), whose sum is σ = 3481347260160. Its totient is φ = 854332463808.

The previous prime is 2012112212177. The next prime is 2012112212381. The reversal of 2012112212194 is 4912122112102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15572584 + ... + 15701260.

It is an arithmetic number, because the mean of its divisors is an integer number (108792101880).

Almost surely, 2^{2012112212194} is an apocalyptic number.

2012112212194 is a deficient number, since it is larger than the sum of its proper divisors (1469235047966).

2012112212194 is a wasteful number, since it uses less digits than its factorization.

2012112212194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139042.

The product of its (nonzero) digits is 1152, while the sum is 28.

Adding to 2012112212194 its reverse (4912122112102), we get a palindrome (6924234324296).

The spelling of 2012112212194 in words is "two trillion, twelve billion, one hundred twelve million, two hundred twelve thousand, one hundred ninety-four".