12072671208 has 96 divisors (see below), whose sum is σ = 35332937640. Its totient is φ = 3701905920.

The previous prime is 12072671179. The next prime is 12072671239. The reversal of 12072671208 is 80217627021.

It can be written as a sum of positive squares in 4 ways, for example, as 10592114724 + 1480556484 = 102918^2 + 38478^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252238 + ... + 296258.

Almost surely, 2^12072671208 is an apocalyptic number.

12072671208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12072671208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17666468820).

12072671208 is an abundant number, since it is smaller than the sum of its proper divisors (23260266432).

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

12072671208 is a wasteful number, since it uses less digits than its factorization.

12072671208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44339 (or 44332 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 12072671208 in words is "twelve billion, seventy-two million, six hundred seventy-one thousand, two hundred eight".