20120100112012 has 12 divisors (see below), whose sum is σ = 35210207312560. Its totient is φ = 10060040879856.

The previous prime is 20120100112003. The next prime is 20120100112043. The reversal of 20120100112012 is 21021100102102.

It is a junction number, because it is equal to n+sod(n) for n = 20120100111983 and 20120100112001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5858914 + ... + 8635222.

Almost surely, 2^{20120100112012} is an apocalyptic number.

It is an amenable number.

20120100112012 is a deficient number, since it is larger than the sum of its proper divisors (15090107200548).

20120100112012 is a wasteful number, since it uses less digits than its factorization.

20120100112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588080 (or 4588078 counting only the distinct ones).

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

Adding to 20120100112012 its reverse (21021100102102), we get a palindrome (41141200214114).

The spelling of 20120100112012 in words is "twenty trillion, one hundred twenty billion, one hundred million, one hundred twelve thousand, twelve".