2212120005 has 8 divisors (see below), whose sum is σ = 3539392032. Its totient is φ = 1179797328.

The previous prime is 2212119983. The next prime is 2212120069. The reversal of 2212120005 is 5000212122.

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

It is not a de Polignac number, because 2212120005 - 2¹⁰ = 2212118981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 147474667 = 2212120005 / (2 + 2 + 1 + 2 + 1 + 2 + 0 + 0 + 0 + 5).

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, 73737319 + ... + 73737348.

It is an arithmetic number, because the mean of its divisors is an integer number (442424004).

Almost surely, 2^2212120005 is an apocalyptic number.

It is an amenable number.

2212120005 is a deficient number, since it is larger than the sum of its proper divisors (1327272027).

2212120005 is a wasteful number, since it uses less digits than its factorization.

2212120005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147474675.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2212120005 is about 47033.1798308386. The cubic root of 2212120005 is about 1302.9754341509.

Adding to 2212120005 its reverse (5000212122), we get a palindrome (7212332127).

The spelling of 2212120005 in words is "two billion, two hundred twelve million, one hundred twenty thousand, five".