2012022123 has 8 divisors (see below), whose sum is σ = 2687413200. Its totient is φ = 1338989568.

The previous prime is 2012022079. The next prime is 2012022139. The reversal of 2012022123 is 3212202102.

It is a happy number.

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

It is not a de Polignac number, because 2012022123 - 2¹⁶ = 2011956587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012022143) by changing a digit.

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, 587638 + ... + 591051.

It is an arithmetic number, because the mean of its divisors is an integer number (335926650).

Almost surely, 2^2012022123 is an apocalyptic number.

2012022123 is a deficient number, since it is larger than the sum of its proper divisors (675391077).

2012022123 is a wasteful number, since it uses less digits than its factorization.

2012022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179261.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2012022123 is about 44855.5695872876. The cubic root of 2012022123 is about 1262.4404960747.

Adding to 2012022123 its reverse (3212202102), we get a palindrome (5224224225).

The spelling of 2012022123 in words is "two billion, twelve million, twenty-two thousand, one hundred twenty-three".