213230102312 has 16 divisors (see below), whose sum is σ = 402117464340. Its totient is φ = 105998778496.

The previous prime is 213230102303. The next prime is 213230102353. The reversal of 213230102312 is 213201032312.

It can be written as a sum of positive squares in 2 ways, for example, as 212699905636 + 530196676 = 461194^2 + 23026^2 .

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, 77032613 + ... + 77035380.

Almost surely, 2^213230102312 is an apocalyptic number.

It is an amenable number.

213230102312 is a deficient number, since it is larger than the sum of its proper divisors (188887362028).

213230102312 is a wasteful number, since it uses less digits than its factorization.

213230102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154068172 (or 154068168 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213230102312 its reverse (213201032312), we get a palindrome (426431134624).

The spelling of 213230102312 in words is "two hundred thirteen billion, two hundred thirty million, one hundred two thousand, three hundred twelve".