20012011012012 has 24 divisors (see below), whose sum is σ = 35115331349504. Its totient is φ = 9979085429712.

The previous prime is 20012011012009. The next prime is 20012011012039. The reversal of 20012011012012 is 21021011021002.

It is a junction number, because it is equal to n+sod(n) for n = 20012011011983 and 20012011012001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225438 + ... + 6330469.

Almost surely, 2^{20012011012012} is an apocalyptic number.

It is an amenable number.

20012011012012 is a deficient number, since it is larger than the sum of its proper divisors (15103320337492).

20012011012012 is a wasteful number, since it uses less digits than its factorization.

20012011012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6557965 (or 6557963 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20012011012012 its reverse (21021011021002), we get a palindrome (41033022033014).

The spelling of 20012011012012 in words is "twenty trillion, twelve billion, eleven million, twelve thousand, twelve".