2012312223112 has 16 divisors (see below), whose sum is σ = 3774748337100. Its totient is φ = 1005712666560.

The previous prime is 2012312223083. The next prime is 2012312223127. The reversal of 2012312223112 is 2113222132102.

It can be written as a sum of positive squares in 2 ways, for example, as 1859770422756 + 152541800356 = 1363734^2 + 390566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55411339 + ... + 55447642.

Almost surely, 2^{2012312223112} is an apocalyptic number.

It is an amenable number.

2012312223112 is a deficient number, since it is larger than the sum of its proper divisors (1762436113988).

2012312223112 is a wasteful number, since it uses less digits than its factorization.

2012312223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110861256 (or 110861252 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2012312223112 its reverse (2113222132102), we get a palindrome (4125534355214).

The spelling of 2012312223112 in words is "two trillion, twelve billion, three hundred twelve million, two hundred twenty-three thousand, one hundred twelve".