2012011242321 has 16 divisors (see below), whose sum is σ = 2688004923840. Its totient is φ = 1338679530240.

The previous prime is 2012011242301. The next prime is 2012011242343. The reversal of 2012011242321 is 1232421102102.

It is a happy number.

It is not a de Polignac number, because 2012011242321 - 2⁷ = 2012011242193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012011242301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31920925 + ... + 31983893.

It is an arithmetic number, because the mean of its divisors is an integer number (168000307740).

Almost surely, 2^{2012011242321} is an apocalyptic number.

It is an amenable number.

2012011242321 is a deficient number, since it is larger than the sum of its proper divisors (675993681519).

2012011242321 is a wasteful number, since it uses less digits than its factorization.

2012011242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83936.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2012011242321 its reverse (1232421102102), we get a palindrome (3244432344423).

The spelling of 2012011242321 in words is "two trillion, twelve billion, eleven million, two hundred forty-two thousand, three hundred twenty-one".