212108588245 has 8 divisors (see below), whose sum is σ = 254533308120. Its totient is φ = 169684869120.

The previous prime is 212108588207. The next prime is 212108588291. The reversal of 212108588245 is 542885801212.

It can be written as a sum of positive squares in 4 ways, for example, as 38821214961 + 173287373284 = 197031^2 + 416278^2 .

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

It is not a de Polignac number, because 212108588245 - 2⁷ = 212108588117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212108588195 and 212108588204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344701 + ... + 736909.

It is an arithmetic number, because the mean of its divisors is an integer number (31816663515).

Almost surely, 2^212108588245 is an apocalyptic number.

It is an amenable number.

212108588245 is a deficient number, since it is larger than the sum of its proper divisors (42424719875).

212108588245 is a wasteful number, since it uses less digits than its factorization.

212108588245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500375.

The product of its (nonzero) digits is 409600, while the sum is 46.

The spelling of 212108588245 in words is "two hundred twelve billion, one hundred eight million, five hundred eighty-eight thousand, two hundred forty-five".