20005112016012 has 48 divisors (see below), whose sum is σ = 48460045788000. Its totient is φ = 6415514273280.

The previous prime is 20005112015963. The next prime is 20005112016163. The reversal of 20005112016012 is 21061021150002.

It is a self number, because there is not a number n which added to its sum of digits gives 20005112016012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102190387 + ... + 102385962.

It is an arithmetic number, because the mean of its divisors is an integer number (1009584287250).

Almost surely, 2^{20005112016012} is an apocalyptic number.

It is an amenable number.

20005112016012 is an abundant number, since it is smaller than the sum of its proper divisors (28454933771988).

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

20005112016012 is a wasteful number, since it uses less digits than its factorization.

20005112016012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204576666 (or 204576664 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 20005112016012 its reverse (21061021150002), we get a palindrome (41066133166014).

The spelling of 20005112016012 in words is "twenty trillion, five billion, one hundred twelve million, sixteen thousand, twelve".