10206426012644 has 12 divisors (see below), whose sum is σ = 17861353444284. Its totient is φ = 5103182171424.

The previous prime is 10206426012623. The next prime is 10206426012647. The reversal of 10206426012644 is 44621062460201.

10206426012644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6877443310144 + 3328982702500 = 2622488^2 + 1824550^2 .

It is a super-2 number, since 2×10206426012644² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10206426012598 and 10206426012607.

It is not an unprimeable number, because it can be changed into a prime (10206426012647) 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, 6955799 + ... + 8294334.

It is an arithmetic number, because the mean of its divisors is an integer number (1488446120357).

Almost surely, 2^{10206426012644} is an apocalyptic number.

It is an amenable number.

10206426012644 is a deficient number, since it is larger than the sum of its proper divisors (7654927431640).

10206426012644 is a wasteful number, since it uses less digits than its factorization.

10206426012644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417454 (or 15417452 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 10206426012644 its reverse (44621062460201), we get a palindrome (54827488472845).

The spelling of 10206426012644 in words is "ten trillion, two hundred six billion, four hundred twenty-six million, twelve thousand, six hundred forty-four".