20002001102012 has 12 divisors (see below), whose sum is σ = 35026041219456. Its totient is φ = 9994560753600.

The previous prime is 20002001101987. The next prime is 20002001102053. The reversal of 20002001102012 is 21020110020002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20002001101984 and 20002001102002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609942364 + ... + 1609954787.

It is an arithmetic number, because the mean of its divisors is an integer number (2918836768288).

Almost surely, 2^{20002001102012} is an apocalyptic number.

It is an amenable number.

20002001102012 is a deficient number, since it is larger than the sum of its proper divisors (15024040117444).

20002001102012 is a wasteful number, since it uses less digits than its factorization.

20002001102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219898708 (or 3219898706 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20002001102012 its reverse (21020110020002), we get a palindrome (41022111122014).

The spelling of 20002001102012 in words is "twenty trillion, two billion, one million, one hundred two thousand, twelve".