9712999901 has 4 divisors (see below), whose sum is σ = 10595999904. Its totient is φ = 8829999900.

The previous prime is 9712999873. The next prime is 9712999951. The reversal of 9712999901 is 1099992179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9712999901 - 2²² = 9708805597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9712999951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441499985 + ... + 441500006.

It is an arithmetic number, because the mean of its divisors is an integer number (2648999976).

Almost surely, 2^9712999901 is an apocalyptic number.

It is an amenable number.

9712999901 is a deficient number, since it is larger than the sum of its proper divisors (883000003).

9712999901 is a wasteful number, since it uses less digits than its factorization.

9712999901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883000002.

The product of its (nonzero) digits is 826686, while the sum is 56.

The square root of 9712999901 is about 98554.5529186755. The cubic root of 9712999901 is about 2133.6235426781.

The spelling of 9712999901 in words is "nine billion, seven hundred twelve million, nine hundred ninety-nine thousand, nine hundred one".