212544034135 has 64 divisors (see below), whose sum is σ = 271843050240. Its totient is φ = 159332659200.

The previous prime is 212544034117. The next prime is 212544034151. The reversal of 212544034135 is 531430445212.

It is not a de Polignac number, because 212544034135 - 2¹⁷ = 212543903063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212544034135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131768589 + ... + 131770201.

It is an arithmetic number, because the mean of its divisors is an integer number (4247547660).

Almost surely, 2^212544034135 is an apocalyptic number.

212544034135 is a deficient number, since it is larger than the sum of its proper divisors (59299016105).

212544034135 is a wasteful number, since it uses less digits than its factorization.

212544034135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 212544034135 its reverse (531430445212), we get a palindrome (743974479347).

The spelling of 212544034135 in words is "two hundred twelve billion, five hundred forty-four million, thirty-four thousand, one hundred thirty-five".