10212445557 has 6 divisors (see below), whose sum is σ = 14751310262. Its totient is φ = 6808297032.

The previous prime is 10212445541. The next prime is 10212445561. The reversal of 10212445557 is 75554421201.

10212445557 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 only one way, i.e., 7217182116 + 2995263441 = 84954^2 + 54729^2 .

It is not a de Polignac number, because 10212445557 - 2⁴ = 10212445541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212445567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567358078 + ... + 567358095.

Almost surely, 2^10212445557 is an apocalyptic number.

It is an amenable number.

10212445557 is a deficient number, since it is larger than the sum of its proper divisors (4538864705).

10212445557 is a wasteful number, since it uses less digits than its factorization.

10212445557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134716179 (or 1134716176 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

Adding to 10212445557 its reverse (75554421201), we get a palindrome (85766866758).

The spelling of 10212445557 in words is "ten billion, two hundred twelve million, four hundred forty-five thousand, five hundred fifty-seven".