2012342221 has 8 divisors (see below), whose sum is σ = 2052144864. Its totient is φ = 1972910160.

The previous prime is 2012342201. The next prime is 2012342239. The reversal of 2012342221 is 1222432102.

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 2012342221 - 2¹⁹ = 2011817933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012342201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81666 + ... + 103411.

It is an arithmetic number, because the mean of its divisors is an integer number (256518108).

Almost surely, 2^2012342221 is an apocalyptic number.

It is an amenable number.

2012342221 is a deficient number, since it is larger than the sum of its proper divisors (39802643).

2012342221 is a wasteful number, since it uses less digits than its factorization.

2012342221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185291.

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

The square root of 2012342221 is about 44859.1375418654. The cubic root of 2012342221 is about 1262.5074408737.

Adding to 2012342221 its reverse (1222432102), we get a palindrome (3234774323).

The spelling of 2012342221 in words is "two billion, twelve million, three hundred forty-two thousand, two hundred twenty-one".