2012344440421 has 4 divisors (see below), whose sum is σ = 2299822217632. Its totient is φ = 1724866663212.

The previous prime is 2012344440401. The next prime is 2012344440461. The reversal of 2012344440421 is 1240444432102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2012344440421 - 2¹³ = 2012344432229 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 (2012344440401) 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 3 ways as a sum of consecutive naturals, for example, 143738888595 + ... + 143738888608.

It is an arithmetic number, because the mean of its divisors is an integer number (574955554408).

Almost surely, 2^{2012344440421} is an apocalyptic number.

It is an amenable number.

2012344440421 is a deficient number, since it is larger than the sum of its proper divisors (287477777211).

2012344440421 is an equidigital number, since it uses as much as digits as its factorization.

2012344440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287477777210.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2012344440421 its reverse (1240444432102), we get a palindrome (3252788872523).

The spelling of 2012344440421 in words is "two trillion, twelve billion, three hundred forty-four million, four hundred forty thousand, four hundred twenty-one".