212472661606 has 16 divisors (see below), whose sum is σ = 329062717440. Its totient is φ = 102786605640.

The previous prime is 212472661601. The next prime is 212472661631. The reversal of 212472661606 is 606166274212.

212472661606 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 (212472661601) 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, 94926 + ... + 658753.

It is an arithmetic number, because the mean of its divisors is an integer number (20566419840).

Almost surely, 2^212472661606 is an apocalyptic number.

212472661606 is a deficient number, since it is larger than the sum of its proper divisors (116590055834).

212472661606 is a wasteful number, since it uses less digits than its factorization.

212472661606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758259.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 212472661606 in words is "two hundred twelve billion, four hundred seventy-two million, six hundred sixty-one thousand, six hundred six".