212302120112 has 20 divisors (see below), whose sum is σ = 414975497160. Its totient is φ = 105211669248.

The previous prime is 212302120091. The next prime is 212302120139. The reversal of 212302120112 is 211021203212.

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, 58710062 + ... + 58713677.

It is an arithmetic number, because the mean of its divisors is an integer number (20748774858).

Almost surely, 2^212302120112 is an apocalyptic number.

It is an amenable number.

212302120112 is a deficient number, since it is larger than the sum of its proper divisors (202673377048).

212302120112 is a wasteful number, since it uses less digits than its factorization.

212302120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117423860 (or 117423854 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212302120112 its reverse (211021203212), we get a palindrome (423323323324).

The spelling of 212302120112 in words is "two hundred twelve billion, three hundred two million, one hundred twenty thousand, one hundred twelve".