2171230712 has 16 divisors (see below), whose sum is σ = 4652637360. Its totient is φ = 930527424.

The previous prime is 2171230709. The next prime is 2171230741. The reversal of 2171230712 is 2170321712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19385933 + ... + 19386044.

It is an arithmetic number, because the mean of its divisors is an integer number (290789835).

Almost surely, 2^2171230712 is an apocalyptic number.

It is an amenable number.

2171230712 is an abundant number, since it is smaller than the sum of its proper divisors (2481406648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2171230712 is a wasteful number, since it uses less digits than its factorization.

2171230712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38771990 (or 38771986 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 2171230712 is about 46596.4667330046. The cubic root of 2171230712 is about 1294.8972975006.

The spelling of 2171230712 in words is "two billion, one hundred seventy-one million, two hundred thirty thousand, seven hundred twelve".