20100012200012 has 48 divisors (see below), whose sum is σ = 37448958808800. Its totient is φ = 9412422243840.

The previous prime is 20100012200003. The next prime is 20100012200029. The reversal of 20100012200012 is 21000221000102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20100012199966 and 20100012200002.

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 15 ways as a sum of consecutive naturals, for example, 38573318 + ... + 39090930.

It is an arithmetic number, because the mean of its divisors is an integer number (780186641850).

Almost surely, 2^{20100012200012} is an apocalyptic number.

It is an amenable number.

20100012200012 is a deficient number, since it is larger than the sum of its proper divisors (17348946608788).

20100012200012 is a wasteful number, since it uses less digits than its factorization.

20100012200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523466 (or 523464 counting only the distinct ones).

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

Adding to 20100012200012 its reverse (21000221000102), we get a palindrome (41100233200114).

The spelling of 20100012200012 in words is "twenty trillion, one hundred billion, twelve million, two hundred thousand, twelve".