211434304240412 has 24 divisors (see below), whose sum is σ = 404305786626672. Its totient is φ = 95949721324800.

The previous prime is 211434304240319. The next prime is 211434304240451. The reversal of 211434304240412 is 214042403434112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919487789 + ... + 3919541732.

It is an arithmetic number, because the mean of its divisors is an integer number (16846074442778).

Almost surely, 2^{211434304240412} is an apocalyptic number.

211434304240412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211434304240412 is a deficient number, since it is larger than the sum of its proper divisors (192871482386260).

211434304240412 is a wasteful number, since it uses less digits than its factorization.

211434304240412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839030149 (or 7839030147 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 211434304240412 its reverse (214042403434112), we get a palindrome (425476707674524).

The spelling of 211434304240412 in words is "two hundred eleven trillion, four hundred thirty-four billion, three hundred four million, two hundred forty thousand, four hundred twelve".