213230432012 has 24 divisors (see below), whose sum is σ = 401870864976. Its totient is φ = 98410736448.

The previous prime is 213230431937. The next prime is 213230432059. The reversal of 213230432012 is 210234032312.

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 7 ways as a sum of consecutive naturals, for example, 2209718 + ... + 2304194.

It is an arithmetic number, because the mean of its divisors is an integer number (16744619374).

Almost surely, 2^213230432012 is an apocalyptic number.

It is an amenable number.

213230432012 is a deficient number, since it is larger than the sum of its proper divisors (188640432964).

213230432012 is a wasteful number, since it uses less digits than its factorization.

213230432012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137897 (or 137895 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213230432012 its reverse (210234032312), we get a palindrome (423464464324).

The spelling of 213230432012 in words is "two hundred thirteen billion, two hundred thirty million, four hundred thirty-two thousand, twelve".