212113240134 has 16 divisors (see below), whose sum is σ = 424262637120. Its totient is φ = 70698387240.

The previous prime is 212113240133. The next prime is 212113240151. The reversal of 212113240134 is 431042311212.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212113240133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429972 + ... + 1571319.

It is an arithmetic number, because the mean of its divisors is an integer number (26516414820).

Almost surely, 2^212113240134 is an apocalyptic number.

212113240134 is an abundant number, since it is smaller than the sum of its proper divisors (212149396986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212113240134 is a wasteful number, since it uses less digits than its factorization.

212113240134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013075.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 212113240134 its reverse (431042311212), we get a palindrome (643155551346).

The spelling of 212113240134 in words is "two hundred twelve billion, one hundred thirteen million, two hundred forty thousand, one hundred thirty-four".