20004021200012 has 24 divisors (see below), whose sum is σ = 36593717852160. Its totient is φ = 9556841483280.

The previous prime is 20004021199997. The next prime is 20004021200101. The reversal of 20004021200012 is 21000212040002.

It is a self number, because there is not a number n which added to its sum of digits gives 20004021200012.

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 7 ways as a sum of consecutive naturals, for example, 1021020278 + ... + 1021039869.

It is an arithmetic number, because the mean of its divisors is an integer number (1524738243840).

Almost surely, 2^{20004021200012} is an apocalyptic number.

It is an amenable number.

20004021200012 is a deficient number, since it is larger than the sum of its proper divisors (16589696652148).

20004021200012 is a wasteful number, since it uses less digits than its factorization.

20004021200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042060261 (or 2042060259 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20004021200012 its reverse (21000212040002), we get a palindrome (41004233240014).

The spelling of 20004021200012 in words is "twenty trillion, four billion, twenty-one million, two hundred thousand, twelve".