213642464246312 has 16 divisors (see below), whose sum is σ = 400595151404340. Its totient is φ = 106817090538496.

The previous prime is 213642464246303. The next prime is 213642464246353.

It is a happy number.

213642464246312 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 136561333914916 + 77081130331396 = 11685946^2 + 8779586^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517478843 + ... + 517891530.

Almost surely, 2^{213642464246312} is an apocalyptic number.

It is an amenable number.

213642464246312 is a deficient number, since it is larger than the sum of its proper divisors (186952687158028).

213642464246312 is a wasteful number, since it uses less digits than its factorization.

213642464246312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035396172 (or 1035396168 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 50.

The spelling of 213642464246312 in words is "two hundred thirteen trillion, six hundred forty-two billion, four hundred sixty-four million, two hundred forty-six thousand, three hundred twelve".