212000340424 has 8 divisors (see below), whose sum is σ = 397500638310. Its totient is φ = 106000170208.

The previous prime is 212000340401. The next prime is 212000340439. The reversal of 212000340424 is 424043000212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 109739812900 + 102260527524 = 331270^2 + 319782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 212000340395 and 212000340404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250021269 + ... + 13250021284.

Almost surely, 2^212000340424 is an apocalyptic number.

It is an amenable number.

212000340424 is a deficient number, since it is larger than the sum of its proper divisors (185500297886).

212000340424 is a wasteful number, since it uses less digits than its factorization.

212000340424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26500042559 (or 26500042555 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 212000340424 its reverse (424043000212), we get a palindrome (636043340636).

The spelling of 212000340424 in words is "two hundred twelve billion, three hundred forty thousand, four hundred twenty-four".