212412342434 has 8 divisors (see below), whose sum is σ = 318620546460. Its totient is φ = 106205493616.

The previous prime is 212412342419. The next prime is 212412342479. The reversal of 212412342434 is 434243214212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 203910949225 + 8501393209 = 451565^2 + 92203^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 212412342434.

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, 276632 + ... + 708060.

Almost surely, 2^212412342434 is an apocalyptic number.

212412342434 is a deficient number, since it is larger than the sum of its proper divisors (106208204026).

212412342434 is a wasteful number, since it uses less digits than its factorization.

212412342434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677604.

The product of its digits is 36864, while the sum is 32.

Adding to 212412342434 its reverse (434243214212), we get a palindrome (646655556646).

The spelling of 212412342434 in words is "two hundred twelve billion, four hundred twelve million, three hundred forty-two thousand, four hundred thirty-four".