212112151606 has 16 divisors (see below), whose sum is σ = 320355453600. Its totient is φ = 105329341888.

The previous prime is 212112151577. The next prime is 212112151609. The reversal of 212112151606 is 606151211212.

212112151606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112151609) by changing a digit.

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, 403786 + ... + 766333.

It is an arithmetic number, because the mean of its divisors is an integer number (20022215850).

Almost surely, 2^212112151606 is an apocalyptic number.

212112151606 is a deficient number, since it is larger than the sum of its proper divisors (108243301994).

212112151606 is a wasteful number, since it uses less digits than its factorization.

212112151606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170743.

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 212112151606 its reverse (606151211212), we get a palindrome (818263362818).

The spelling of 212112151606 in words is "two hundred twelve billion, one hundred twelve million, one hundred fifty-one thousand, six hundred six".