9561422012 has 24 divisors (see below), whose sum is σ = 17075797200. Its totient is φ = 4683609216.

The previous prime is 9561421981. The next prime is 9561422021. The reversal of 9561422012 is 2102241659.

It is a self number, because there is not a number n which added to its sum of digits gives 9561422012.

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, 84398 + ... + 162005.

It is an arithmetic number, because the mean of its divisors is an integer number (711491550).

Almost surely, 2^9561422012 is an apocalyptic number.

It is an amenable number.

9561422012 is a deficient number, since it is larger than the sum of its proper divisors (7514375188).

9561422012 is a wasteful number, since it uses less digits than its factorization.

9561422012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246605 (or 246603 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 9561422012 is about 97782.5240623293. The cubic root of 9561422012 is about 2122.4664254404.

The spelling of 9561422012 in words is "nine billion, five hundred sixty-one million, four hundred twenty-two thousand, twelve".