10212547772 has 24 divisors (see below), whose sum is σ = 20429961216. Its totient is φ = 4375763568.

The previous prime is 10212547759. The next prime is 10212547781. The reversal of 10212547772 is 27774521201.

10212547772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10212547772² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 82613 + ... + 165075.

It is an arithmetic number, because the mean of its divisors is an integer number (851248384).

Almost surely, 2^10212547772 is an apocalyptic number.

It is an amenable number.

10212547772 is an abundant number, since it is smaller than the sum of its proper divisors (10217413444).

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

10212547772 is a wasteful number, since it uses less digits than its factorization.

10212547772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86897 (or 86895 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 38.

The spelling of 10212547772 in words is "ten billion, two hundred twelve million, five hundred forty-seven thousand, seven hundred seventy-two".