20112001120012 has 6 divisors (see below), whose sum is σ = 35196001960028. Its totient is φ = 10056000560004.

The previous prime is 20112001119989. The next prime is 20112001120033. The reversal of 20112001120012 is 21002110021102.

It is a junction number, because it is equal to n+sod(n) for n = 20112001119974 and 20112001120001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2514000139998 + ... + 2514000140005.

Almost surely, 2^{20112001120012} is an apocalyptic number.

It is an amenable number.

20112001120012 is a deficient number, since it is larger than the sum of its proper divisors (15084000840016).

20112001120012 is a wasteful number, since it uses less digits than its factorization.

20112001120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028000280007 (or 5028000280005 counting only the distinct ones).

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

Adding to 20112001120012 its reverse (21002110021102), we get a palindrome (41114111141114).

The spelling of 20112001120012 in words is "twenty trillion, one hundred twelve billion, one million, one hundred twenty thousand, twelve".