2012212115 has 4 divisors (see below), whose sum is σ = 2414654544. Its totient is φ = 1609769688.

The previous prime is 2012212093. The next prime is 2012212117. The reversal of 2012212115 is 5112122102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012212115 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012212093 and 2012212102.

It is not an unprimeable number, because it can be changed into a prime (2012212117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201221207 + ... + 201221216.

It is an arithmetic number, because the mean of its divisors is an integer number (603663636).

Almost surely, 2^2012212115 is an apocalyptic number.

2012212115 is a deficient number, since it is larger than the sum of its proper divisors (402442429).

2012212115 is an equidigital number, since it uses as much as digits as its factorization.

2012212115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402442428.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2012212115 is about 44857.6873567954. The cubic root of 2012212115 is about 1262.4802315632.

Adding to 2012212115 its reverse (5112122102), we get a palindrome (7124334217).

The spelling of 2012212115 in words is "two billion, twelve million, two hundred twelve thousand, one hundred fifteen".