212343034034 has 8 divisors (see below), whose sum is σ = 318527180460. Its totient is φ = 106167307216.

The previous prime is 212343034009. The next prime is 212343034063. The reversal of 212343034034 is 430430343212.

It can be written as a sum of positive squares in 2 ways, for example, as 199359571009 + 12983463025 = 446497^2 + 113945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212343033988 and 212343034006.

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, 2041469 + ... + 2142960.

Almost surely, 2^212343034034 is an apocalyptic number.

212343034034 is a deficient number, since it is larger than the sum of its proper divisors (106184146426).

212343034034 is a wasteful number, since it uses less digits than its factorization.

212343034034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209804.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 212343034034 its reverse (430430343212), we get a palindrome (642773377246).

The spelling of 212343034034 in words is "two hundred twelve billion, three hundred forty-three million, thirty-four thousand, thirty-four".