12371170212 has 36 divisors (see below), whose sum is σ = 31481459100. Its totient is φ = 4096045632.

The previous prime is 12371170157. The next prime is 12371170243. The reversal of 12371170212 is 21207117321.

12371170212 is a `hidden beast` number, since 12 + 371 + 1 + 70 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6069033216 + 6302136996 = 77904^2 + 79386^2 .

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

It is a super-2 number, since 2×12371170212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1147803 + ... + 1158530.

It is an arithmetic number, because the mean of its divisors is an integer number (874484975).

Almost surely, 2^12371170212 is an apocalyptic number.

12371170212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12371170212 is an abundant number, since it is smaller than the sum of its proper divisors (19110288888).

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

12371170212 is a wasteful number, since it uses less digits than its factorization.

12371170212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306492 (or 2306487 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

Adding to 12371170212 its reverse (21207117321), we get a palindrome (33578287533).

The spelling of 12371170212 in words is "twelve billion, three hundred seventy-one million, one hundred seventy thousand, two hundred twelve".