2212100005 has 8 divisors (see below), whose sum is σ = 2654876952. Its totient is φ = 1769442048.

The previous prime is 2212099991. The next prime is 2212100021. The reversal of 2212100005 is 5000012122.

It can be written as a sum of positive squares in 4 ways, for example, as 1193149764 + 1018950241 = 34542^2 + 31921^2 .

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 2212100005 - 2⁵ = 2212099973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18177 + ... + 68953.

It is an arithmetic number, because the mean of its divisors is an integer number (331859619).

Almost surely, 2^2212100005 is an apocalyptic number.

It is an amenable number.

2212100005 is a deficient number, since it is larger than the sum of its proper divisors (442776947).

2212100005 is an equidigital number, since it uses as much as digits as its factorization.

2212100005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59495.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2212100005 is about 47032.9672144975. The cubic root of 2212100005 is about 1302.9715073617.

Adding to 2212100005 its reverse (5000012122), we get a palindrome (7212112127).

The spelling of 2212100005 in words is "two billion, two hundred twelve million, one hundred thousand, five".