213432646234312 has 16 divisors (see below), whose sum is σ = 401610361913100. Its totient is φ = 106336549724160.

The previous prime is 213432646234309. The next prime is 213432646234319.

213432646234312 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 209908113098436 + 3524533135876 = 14488206^2 + 1877374^2 .

It is a super-2 number, since 2×213432646234312² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213432646234319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47471671737 + ... + 47471676232.

Almost surely, 2^{213432646234312} is an apocalyptic number.

It is an amenable number.

213432646234312 is a deficient number, since it is larger than the sum of its proper divisors (188177715678788).

213432646234312 is a wasteful number, since it uses less digits than its factorization.

213432646234312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94943348256 (or 94943348252 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 46.

The spelling of 213432646234312 in words is "two hundred thirteen trillion, four hundred thirty-two billion, six hundred forty-six million, two hundred thirty-four thousand, three hundred twelve".