12010420444 has 24 divisors (see below), whose sum is σ = 23488231536. Its totient is φ = 5326128000.

The previous prime is 12010420417. The next prime is 12010420451. The reversal of 12010420444 is 44402401021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3327027 + ... + 3330634.

It is an arithmetic number, because the mean of its divisors is an integer number (978676314).

Almost surely, 2^12010420444 is an apocalyptic number.

It is an amenable number.

12010420444 is a deficient number, since it is larger than the sum of its proper divisors (11477811092).

12010420444 is a wasteful number, since it uses less digits than its factorization.

12010420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657717 (or 6657715 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12010420444 its reverse (44402401021), we get a palindrome (56412821465).

The spelling of 12010420444 in words is "twelve billion, ten million, four hundred twenty thousand, four hundred forty-four".