212455606726 has 64 divisors (see below), whose sum is σ = 359303454720. Its totient is φ = 93388857760.

The previous prime is 212455606697. The next prime is 212455606729. The reversal of 212455606726 is 627606554212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212455606729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46355031 + ... + 46359613.

It is an arithmetic number, because the mean of its divisors is an integer number (5614116480).

Almost surely, 2^212455606726 is an apocalyptic number.

212455606726 is a deficient number, since it is larger than the sum of its proper divisors (146847847994).

212455606726 is a wasteful number, since it uses less digits than its factorization.

212455606726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 212455606726 in words is "two hundred twelve billion, four hundred fifty-five million, six hundred six thousand, seven hundred twenty-six".