8112197401 has 24 divisors (see below), whose sum is σ = 10373188320. Its totient is φ = 6272884800.

The previous prime is 8112197381. The next prime is 8112197449. The reversal of 8112197401 is 1047912118.

It is not a de Polignac number, because 8112197401 - 2⁵ = 8112197369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8112198401) 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 23 ways as a sum of consecutive naturals, for example, 13165 + ... + 128053.

It is an arithmetic number, because the mean of its divisors is an integer number (432216180).

Almost surely, 2^8112197401 is an apocalyptic number.

It is an amenable number.

8112197401 is a deficient number, since it is larger than the sum of its proper divisors (2260990919).

8112197401 is a wasteful number, since it uses less digits than its factorization.

8112197401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115045 (or 115038 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 8112197401 is about 90067.7378476888. The cubic root of 8112197401 is about 2009.3064115998.

The spelling of 8112197401 in words is "eight billion, one hundred twelve million, one hundred ninety-seven thousand, four hundred one".