212030135344 has 20 divisors (see below), whose sum is σ = 411067948896. Its totient is φ = 105948084032.

The previous prime is 212030135321. The next prime is 212030135347. The reversal of 212030135344 is 443531030212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212030135347) 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, 4160359 + ... + 4211014.

Almost surely, 2^212030135344 is an apocalyptic number.

It is an amenable number.

212030135344 is a deficient number, since it is larger than the sum of its proper divisors (199037813552).

212030135344 is a wasteful number, since it uses less digits than its factorization.

212030135344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8372964 (or 8372958 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 212030135344 its reverse (443531030212), we get a palindrome (655561165556).

The spelling of 212030135344 in words is "two hundred twelve billion, thirty million, one hundred thirty-five thousand, three hundred forty-four".