9912177201 has 8 divisors (see below), whose sum is σ = 13220763264. Its totient is φ = 6605854640.

The previous prime is 9912177169. The next prime is 9912177217. The reversal of 9912177201 is 1027712199.

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 9912177201 - 2⁵ = 9912177169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9912177201.

It is not an unprimeable number, because it can be changed into a prime (9912177101) 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, 555630 + ... + 573191.

It is an arithmetic number, because the mean of its divisors is an integer number (1652595408).

Almost surely, 2^9912177201 is an apocalyptic number.

It is an amenable number.

9912177201 is a deficient number, since it is larger than the sum of its proper divisors (3308586063).

9912177201 is a wasteful number, since it uses less digits than its factorization.

9912177201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131751.

The product of its (nonzero) digits is 15876, while the sum is 39.

The square root of 9912177201 is about 99559.9176425935. The cubic root of 9912177201 is about 2148.1091867953.

It can be divided in two parts, 9912177 and 201, that added together give a triangular number (9912378 = T₄₄₅₂).

The spelling of 9912177201 in words is "nine billion, nine hundred twelve million, one hundred seventy-seven thousand, two hundred one".