212505372607 has 8 divisors (see below), whose sum is σ = 235089171072. Its totient is φ = 190465762200.

The previous prime is 212505372577. The next prime is 212505372617. The reversal of 212505372607 is 706273505212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212505372607 - 2⁷ = 212505372479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212505372607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212505372617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136046193 + ... + 136047754.

It is an arithmetic number, because the mean of its divisors is an integer number (29386146384).

Almost surely, 2^212505372607 is an apocalyptic number.

212505372607 is a deficient number, since it is larger than the sum of its proper divisors (22583798465).

212505372607 is a wasteful number, since it uses less digits than its factorization.

212505372607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272094029.

The product of its (nonzero) digits is 176400, while the sum is 40.

Adding to 212505372607 its reverse (706273505212), we get a palindrome (918778877819).

The spelling of 212505372607 in words is "two hundred twelve billion, five hundred five million, three hundred seventy-two thousand, six hundred seven".