212104242606 has 32 divisors (see below), whose sum is σ = 428457028608. Its totient is φ = 69993482400.

The previous prime is 212104242599. The next prime is 212104242607. The reversal of 212104242606 is 606242401212.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212104242607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8063031 + ... + 8089293.

It is an arithmetic number, because the mean of its divisors is an integer number (13389282144).

Almost surely, 2^212104242606 is an apocalyptic number.

212104242606 is an abundant number, since it is smaller than the sum of its proper divisors (216352786002).

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

212104242606 is a wasteful number, since it uses less digits than its factorization.

212104242606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39696.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 212104242606 its reverse (606242401212), we get a palindrome (818346643818).

The spelling of 212104242606 in words is "two hundred twelve billion, one hundred four million, two hundred forty-two thousand, six hundred six".