9912423101 has 12 divisors (see below), whose sum is σ = 12137662080. Its totient is φ = 8049184920.

The previous prime is 9912423083. The next prime is 9912423107. The reversal of 9912423101 is 1013242199.

It is a de Polignac number, because none of the positive numbers 2^k-9912423101 is a prime.

It is a super-2 number, since 2×9912423101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9912423107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5322605 + ... + 5324466.

It is an arithmetic number, because the mean of its divisors is an integer number (1011471840).

Almost surely, 2^9912423101 is an apocalyptic number.

It is an amenable number.

9912423101 is a deficient number, since it is larger than the sum of its proper divisors (2225238979).

9912423101 is a wasteful number, since it uses less digits than its factorization.

9912423101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10647104 (or 10647097 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 9912423101 is about 99561.1525696644. The cubic root of 9912423101 is about 2148.1269499860.

The spelling of 9912423101 in words is "nine billion, nine hundred twelve million, four hundred twenty-three thousand, one hundred one".