1012002100112 has 20 divisors (see below), whose sum is σ = 1993987190640. Its totient is φ = 497424760608.

The previous prime is 1012002100103. The next prime is 1012002100183. The reversal of 1012002100112 is 2110012002101.

It is a junction number, because it is equal to n+sod(n) for n = 1012002100093 and 1012002100102.

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, 536017118 + ... + 536019005.

It is an arithmetic number, because the mean of its divisors is an integer number (99699359532).

Almost surely, 2^{1012002100112} is an apocalyptic number.

It is an amenable number.

1012002100112 is a deficient number, since it is larger than the sum of its proper divisors (981985090528).

1012002100112 is a wasteful number, since it uses less digits than its factorization.

1012002100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072036190 (or 1072036184 counting only the distinct ones).

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

Adding to 1012002100112 its reverse (2110012002101), we get a palindrome (3122014102213).

The spelling of 1012002100112 in words is "one trillion, twelve billion, two million, one hundred thousand, one hundred twelve".