11671470212 has 12 divisors (see below), whose sum is σ = 20426089740. Its totient is φ = 5835444576.

The previous prime is 11671470193. The next prime is 11671470247. The reversal of 11671470212 is 21207417611.

It can be written as a sum of positive squares in 2 ways, for example, as 10581413956 + 1090056256 = 102866^2 + 33016^2 .

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, 35714 + ... + 156902.

It is an arithmetic number, because the mean of its divisors is an integer number (1702174145).

Almost surely, 2^11671470212 is an apocalyptic number.

It is an amenable number.

11671470212 is a deficient number, since it is larger than the sum of its proper divisors (8754619528).

11671470212 is a wasteful number, since it uses less digits than its factorization.

11671470212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145270 (or 145268 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

Adding to 11671470212 its reverse (21207417611), we get a palindrome (32878887823).

The spelling of 11671470212 in words is "eleven billion, six hundred seventy-one million, four hundred seventy thousand, two hundred twelve".