212011202005 has 8 divisors (see below), whose sum is σ = 254429672832. Its totient is φ = 169598141328.

The previous prime is 212011201937. The next prime is 212011202041. The reversal of 212011202005 is 500202110212.

It is a happy number.

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 212011202005 - 2¹⁷ = 212011070933 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 212011202005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265817 + ... + 1423486.

It is an arithmetic number, because the mean of its divisors is an integer number (31803709104).

Almost surely, 2^212011202005 is an apocalyptic number.

It is an amenable number.

212011202005 is a deficient number, since it is larger than the sum of its proper divisors (42418470827).

212011202005 is a wasteful number, since it uses less digits than its factorization.

212011202005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705075.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 212011202005 its reverse (500202110212), we get a palindrome (712213312217).

The spelling of 212011202005 in words is "two hundred twelve billion, eleven million, two hundred two thousand, five".