212412044434 has 16 divisors (see below), whose sum is σ = 335399964480. Its totient is φ = 100612473840.

The previous prime is 212412044347. The next prime is 212412044501. The reversal of 212412044434 is 434440214212.

It is a happy number.

212412044434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212412044396 and 212412044405.

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 7 ways as a sum of consecutive naturals, for example, 1109947 + ... + 1287169.

It is an arithmetic number, because the mean of its divisors is an integer number (20962497780).

Almost surely, 2^212412044434 is an apocalyptic number.

212412044434 is a deficient number, since it is larger than the sum of its proper divisors (122987920046).

212412044434 is a wasteful number, since it uses less digits than its factorization.

212412044434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208785.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 212412044434 its reverse (434440214212), we get a palindrome (646852258646).

The spelling of 212412044434 in words is "two hundred twelve billion, four hundred twelve million, forty-four thousand, four hundred thirty-four".