2012421010444 has 48 divisors (see below), whose sum is σ = 3841031827360. Its totient is φ = 917032389120.

The previous prime is 2012421010427. The next prime is 2012421010447. The reversal of 2012421010444 is 4440101242102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2012421010447) 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, 539152 + ... + 2077384.

Almost surely, 2^{2012421010444} is an apocalyptic number.

It is an amenable number.

2012421010444 is a deficient number, since it is larger than the sum of its proper divisors (1828610816916).

2012421010444 is a wasteful number, since it uses less digits than its factorization.

2012421010444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538570 (or 1538568 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 2012421010444 its reverse (4440101242102), we get a palindrome (6452522252546).

The spelling of 2012421010444 in words is "two trillion, twelve billion, four hundred twenty-one million, ten thousand, four hundred forty-four".