20112120002012 has 12 divisors (see below), whose sum is σ = 35213270711136. Its totient is φ = 10051185513120.

The previous prime is 20112120001979. The next prime is 20112120002017. The reversal of 20112120002012 is 21020002121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112120002017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218612689 + ... + 1218629192.

It is an arithmetic number, because the mean of its divisors is an integer number (2934439225928).

Almost surely, 2^{20112120002012} is an apocalyptic number.

It is an amenable number.

20112120002012 is a deficient number, since it is larger than the sum of its proper divisors (15101150709124).

20112120002012 is a wasteful number, since it uses less digits than its factorization.

20112120002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437243948 (or 2437243946 counting only the distinct ones).

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

Adding to 20112120002012 its reverse (21020002121102), we get a palindrome (41132122123114).

The spelling of 20112120002012 in words is "twenty trillion, one hundred twelve billion, one hundred twenty million, two thousand, twelve".