212563352606 has 32 divisors (see below), whose sum is σ = 366233529600. Its totient is φ = 91510534080.

The previous prime is 212563352597. The next prime is 212563352699. The reversal of 212563352606 is 606253365212.

It is a super-2 number, since 2×212563352606² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583690 + ... + 1712658.

It is an arithmetic number, because the mean of its divisors is an integer number (11444797800).

Almost surely, 2^212563352606 is an apocalyptic number.

212563352606 is a deficient number, since it is larger than the sum of its proper divisors (153670176994).

212563352606 is a wasteful number, since it uses less digits than its factorization.

212563352606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132944.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 212563352606 in words is "two hundred twelve billion, five hundred sixty-three million, three hundred fifty-two thousand, six hundred six".