10012421333444 has 12 divisors (see below), whose sum is σ = 17528811124524. Its totient is φ = 5004189583584.

The previous prime is 10012421333443. The next prime is 10012421333477. The reversal of 10012421333444 is 44433312421001.

It can be written as a sum of positive squares in 2 ways, for example, as 6137074745344 + 3875346588100 = 2477312^2 + 1968590^2 .

It is a super-2 number, since 2×10012421333444² (a number of 27 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 10012421333444.

It is not an unprimeable number, because it can be changed into a prime (10012421333443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505259639 + ... + 505279454.

It is an arithmetic number, because the mean of its divisors is an integer number (1460734260377).

Almost surely, 2^{10012421333444} is an apocalyptic number.

It is an amenable number.

10012421333444 is a deficient number, since it is larger than the sum of its proper divisors (7516389791080).

10012421333444 is a wasteful number, since it uses less digits than its factorization.

10012421333444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010541574 (or 1010541572 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 10012421333444 its reverse (44433312421001), we get a palindrome (54445733754445).

The spelling of 10012421333444 in words is "ten trillion, twelve billion, four hundred twenty-one million, three hundred thirty-three thousand, four hundred forty-four".