2012241421321 has 16 divisors (see below), whose sum is σ = 2110297190400. Its totient is φ = 1916376053760.

The previous prime is 2012241421303. The next prime is 2012241421367. The reversal of 2012241421321 is 1231241422102.

It is a cyclic number.

It is not a de Polignac number, because 2012241421321 - 2²⁷ = 2012107203593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012241421301) 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, 25896 + ... + 2006278.

It is an arithmetic number, because the mean of its divisors is an integer number (131893574400).

Almost surely, 2^{2012241421321} is an apocalyptic number.

It is an amenable number.

2012241421321 is a deficient number, since it is larger than the sum of its proper divisors (98055769079).

2012241421321 is a wasteful number, since it uses less digits than its factorization.

2012241421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980936.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 2012241421321 its reverse (1231241422102), we get a palindrome (3243482843423).

The spelling of 2012241421321 in words is "two trillion, twelve billion, two hundred forty-one million, four hundred twenty-one thousand, three hundred twenty-one".