212132230231112 has 32 divisors (see below), whose sum is σ = 411637949465400. Its totient is φ = 102365213873664.

The previous prime is 212132230231081. The next prime is 212132230231121. The reversal of 212132230231112 is 211132032231212.

It can be written as a sum of positive squares in 4 ways, for example, as 114419519250436 + 97712710980676 = 10696706^2 + 9884974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193420733 + ... + 194514380.

Almost surely, 2^{212132230231112} is an apocalyptic number.

It is an amenable number.

212132230231112 is a deficient number, since it is larger than the sum of its proper divisors (199505719234288).

212132230231112 is a wasteful number, since it uses less digits than its factorization.

212132230231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387937505 (or 387937501 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 212132230231112 its reverse (211132032231212), we get a palindrome (423264262462324).

The spelling of 212132230231112 in words is "two hundred twelve trillion, one hundred thirty-two billion, two hundred thirty million, two hundred thirty-one thousand, one hundred twelve".