20001112302112 has 96 divisors (see below), whose sum is σ = 41142333141504. Its totient is φ = 9564519014400.

The previous prime is 20001112302091. The next prime is 20001112302113. The reversal of 20001112302112 is 21120321110002.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20001112302113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11237812 + ... + 12895372.

It is an arithmetic number, because the mean of its divisors is an integer number (428565970224).

Almost surely, 2^{20001112302112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20001112302112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20571166570752).

20001112302112 is an abundant number, since it is smaller than the sum of its proper divisors (21141220839392).

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

20001112302112 is a wasteful number, since it uses less digits than its factorization.

20001112302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657802 (or 1657794 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20001112302112 its reverse (21120321110002), we get a palindrome (41121433412114).

The spelling of 20001112302112 in words is "twenty trillion, one billion, one hundred twelve million, three hundred two thousand, one hundred twelve".