9712210881 has 8 divisors (see below), whose sum is σ = 12958190784. Its totient is φ = 6470519120.

The previous prime is 9712210877. The next prime is 9712210883. The reversal of 9712210881 is 1880122179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9712210881 - 2² = 9712210877 is a prime.

It is a super-2 number, since 2×9712210881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9712210883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066746 + ... + 1075811.

It is an arithmetic number, because the mean of its divisors is an integer number (1619773848).

Almost surely, 2^9712210881 is an apocalyptic number.

It is an amenable number.

9712210881 is a deficient number, since it is larger than the sum of its proper divisors (3245979903).

9712210881 is a wasteful number, since it uses less digits than its factorization.

9712210881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144071.

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 9712210881 is about 98550.5498767003. The cubic root of 9712210881 is about 2133.5657672826.

The spelling of 9712210881 in words is "nine billion, seven hundred twelve million, two hundred ten thousand, eight hundred eighty-one".