20110220012012 has 12 divisors (see below), whose sum is σ = 37900030022736. Its totient is φ = 9281640005520.

The previous prime is 20110220011993. The next prime is 20110220012041. The reversal of 20110220012012 is 21021002201102.

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, 193367500064 + ... + 193367500167.

It is an arithmetic number, because the mean of its divisors is an integer number (3158335835228).

Almost surely, 2^{20110220012012} is an apocalyptic number.

It is an amenable number.

20110220012012 is a deficient number, since it is larger than the sum of its proper divisors (17789810010724).

20110220012012 is a wasteful number, since it uses less digits than its factorization.

20110220012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386735000248 (or 386735000246 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20110220012012 its reverse (21021002201102), we get a palindrome (41131222213114).

The spelling of 20110220012012 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, twelve thousand, twelve".