20112110012 has 12 divisors (see below), whose sum is σ = 35537903856. Its totient is φ = 9958423200.

The previous prime is 20112109999. The next prime is 20112110023. The reversal of 20112110012 is 21001121102.

It is a junction number, because it is equal to n+sod(n) for n = 20112109975 and 20112110002.

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, 24407489 + ... + 24408312.

It is an arithmetic number, because the mean of its divisors is an integer number (2961491988).

Almost surely, 2^20112110012 is an apocalyptic number.

It is an amenable number.

20112110012 is a deficient number, since it is larger than the sum of its proper divisors (15425793844).

20112110012 is a wasteful number, since it uses less digits than its factorization.

20112110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48815908 (or 48815906 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20112110012 its reverse (21001121102), we get a palindrome (41113231114).

The spelling of 20112110012 in words is "twenty billion, one hundred twelve million, one hundred ten thousand, twelve".