12072112036 has 12 divisors (see below), whose sum is σ = 21472527580. Its totient is φ = 5937104160.

The previous prime is 12072112021. The next prime is 12072112123. The reversal of 12072112036 is 63021127021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 309408100 + 11762703936 = 17590^2 + 108456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12072112036.

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, 24737691 + ... + 24738178.

Almost surely, 2^12072112036 is an apocalyptic number.

It is an amenable number.

12072112036 is a deficient number, since it is larger than the sum of its proper divisors (9400415544).

12072112036 is a wasteful number, since it uses less digits than its factorization.

12072112036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49475934 (or 49475932 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 12072112036 its reverse (63021127021), we get a palindrome (75093239057).

The spelling of 12072112036 in words is "twelve billion, seventy-two million, one hundred twelve thousand, thirty-six".