2012322021 has 16 divisors (see below), whose sum is σ = 2713566336. Its totient is φ = 1326355776.

The previous prime is 2012322017. The next prime is 2012322031. The reversal of 2012322021 is 1202232102.

It is a happy number.

It is not a de Polignac number, because 2012322021 - 2² = 2012322017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012322001) 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 15 ways as a sum of consecutive naturals, for example, 196791 + ... + 206763.

It is an arithmetic number, because the mean of its divisors is an integer number (169597896).

Almost surely, 2^2012322021 is an apocalyptic number.

It is an amenable number.

2012322021 is a deficient number, since it is larger than the sum of its proper divisors (701244315).

2012322021 is a wasteful number, since it uses less digits than its factorization.

2012322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10732.

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

The square root of 2012322021 is about 44858.9123920766. The cubic root of 2012322021 is about 1262.5032164869.

Adding to 2012322021 its reverse (1202232102), we get a palindrome (3214554123).

The spelling of 2012322021 in words is "two billion, twelve million, three hundred twenty-two thousand, twenty-one".