20010120210012 has 24 divisors (see below), whose sum is σ = 46775637508096. Its totient is φ = 6657846210288.

The previous prime is 20010120210011. The next prime is 20010120210023. The reversal of 20010120210012 is 21001202101002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20010120210012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010120210011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524225628 + ... + 1524238755.

Almost surely, 2^{20010120210012} is an apocalyptic number.

It is an amenable number.

20010120210012 is an abundant number, since it is smaller than the sum of its proper divisors (26765517298084).

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

20010120210012 is a wasteful number, since it uses less digits than its factorization.

20010120210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048464937 (or 3048464935 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20010120210012 its reverse (21001202101002), we get a palindrome (41011322311014).

The spelling of 20010120210012 in words is "twenty trillion, ten billion, one hundred twenty million, two hundred ten thousand, twelve".