2127973212 has 36 divisors (see below), whose sum is σ = 5385383640. Its totient is φ = 708488352.

The previous prime is 2127973171. The next prime is 2127973213. The reversal of 2127973212 is 2123797212.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127973213) 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, 3483 + ... + 65330.

It is an arithmetic number, because the mean of its divisors is an integer number (149593990).

Almost surely, 2^2127973212 is an apocalyptic number.

It is an amenable number.

2127973212 is an abundant number, since it is smaller than the sum of its proper divisors (3257410428).

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

2127973212 is a wasteful number, since it uses less digits than its factorization.

2127973212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69682 (or 69677 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 2127973212 is about 46129.9600259961. The cubic root of 2127973212 is about 1286.2401210188.

The spelling of 2127973212 in words is "two billion, one hundred twenty-seven million, nine hundred seventy-three thousand, two hundred twelve".