20201000010012 has 336 divisors, whose sum is σ = 57087779807520. Its totient is φ = 6228849217536.

The previous prime is 20201000010011. The next prime is 20201000010013. The reversal of 20201000010012 is 21001000010202.

It is an interprime number because it is at equal distance from previous prime (20201000010011) and next prime (20201000010013).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20201000009976 and 20201000010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201000010011) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1517838414 + ... + 1517851722.

It is an arithmetic number, because the mean of its divisors is an integer number (169904106570).

Almost surely, 2^{20201000010012} 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 20201000010012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28543889903760).

20201000010012 is an abundant number, since it is smaller than the sum of its proper divisors (36886779797508).

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

20201000010012 is a wasteful number, since it uses less digits than its factorization.

20201000010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13872 (or 13855 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20201000010012 its reverse (21001000010202), we get a palindrome (41202000020214).

The spelling of 20201000010012 in words is "twenty trillion, two hundred one billion, ten thousand, twelve".