212112300112 has 10 divisors (see below), whose sum is σ = 410967581498. Its totient is φ = 106056150048.

The previous prime is 212112300109. The next prime is 212112300121. The reversal of 212112300112 is 211003211212.

It can be written as a sum of positive squares in only one way, i.e., 189587093056 + 22525207056 = 435416^2 + 150084^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 13257018757 = 212112300112 / (2 + 1 + 2 + 1 + 1 + 2 + 3 + 0 + 0 + 1 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6628509363 + ... + 6628509394.

Almost surely, 2^212112300112 is an apocalyptic number.

It is an amenable number.

212112300112 is a deficient number, since it is larger than the sum of its proper divisors (198855281386).

212112300112 is a wasteful number, since it uses less digits than its factorization.

212112300112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13257018765 (or 13257018759 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212112300112 its reverse (211003211212), we get a palindrome (423115511324).

The spelling of 212112300112 in words is "two hundred twelve billion, one hundred twelve million, three hundred thousand, one hundred twelve".