2012242123 has 8 divisors (see below), whose sum is σ = 2041977168. Its totient is φ = 1982637984.

The previous prime is 2012242121. The next prime is 2012242129. The reversal of 2012242123 is 3212422102.

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 2012242123 - 2¹ = 2012242121 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 2012242123.

It is not an unprimeable number, because it can be changed into a prime (2012242121) by changing a digit.

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, 1540 + ... + 63457.

It is an arithmetic number, because the mean of its divisors is an integer number (255247146).

Almost surely, 2^2012242123 is an apocalyptic number.

2012242123 is a deficient number, since it is larger than the sum of its proper divisors (29735045).

2012242123 is an equidigital number, since it uses as much as digits as its factorization.

2012242123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65453.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2012242123 is about 44858.0218355647. The cubic root of 2012242123 is about 1262.4865072962.

Adding to 2012242123 its reverse (3212422102), we get a palindrome (5224664225).

The spelling of 2012242123 in words is "two billion, twelve million, two hundred forty-two thousand, one hundred twenty-three".