12010203444 has 24 divisors (see below), whose sum is σ = 28285715808. Its totient is φ = 3965985760.

The previous prime is 12010203433. The next prime is 12010203461. The reversal of 12010203444 is 44430201021.

It is a super-2 number, since 2×12010203444² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12010203444.

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, 4675587 + ... + 4678154.

It is an arithmetic number, because the mean of its divisors is an integer number (1178571492).

Almost surely, 2^12010203444 is an apocalyptic number.

It is an amenable number.

12010203444 is an abundant number, since it is smaller than the sum of its proper divisors (16275512364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12010203444 is a wasteful number, since it uses less digits than its factorization.

12010203444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9353855 (or 9353853 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12010203444 its reverse (44430201021), we get a palindrome (56440404465).

The spelling of 12010203444 in words is "twelve billion, ten million, two hundred three thousand, four hundred forty-four".