213201232312 has 16 divisors (see below), whose sum is σ = 399767940360. Its totient is φ = 106596448224.

The previous prime is 213201232261. The next prime is 213201232339. The reversal of 213201232312 is 213232102312.

213201232312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×213201232312³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297978 + ... + 717769.

Almost surely, 2^213201232312 is an apocalyptic number.

It is an amenable number.

213201232312 is a deficient number, since it is larger than the sum of its proper divisors (186566708048).

213201232312 is a wasteful number, since it uses less digits than its factorization.

213201232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041990 (or 1041986 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213201232312 its reverse (213232102312), we get a palindrome (426433334624).

The spelling of 213201232312 in words is "two hundred thirteen billion, two hundred one million, two hundred thirty-two thousand, three hundred twelve".