12100120020112 has 40 divisors (see below), whose sum is σ = 23586557768696. Its totient is φ = 6013322551296.

The previous prime is 12100120020077. The next prime is 12100120020143. The reversal of 12100120020112 is 21102002100121.

It can be written as a sum of positive squares in 4 ways, for example, as 525862826896 + 11574257193216 = 725164^2 + 3402096^2 .

It is a super-2 number, since 2×12100120020112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12100120020092 and 12100120020101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695298 + ... + 5203294.

Almost surely, 2^{12100120020112} is an apocalyptic number.

It is an amenable number.

12100120020112 is a deficient number, since it is larger than the sum of its proper divisors (11486437748584).

12100120020112 is a wasteful number, since it uses less digits than its factorization.

12100120020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509315 (or 3509309 counting only the distinct ones).

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

Adding to 12100120020112 its reverse (21102002100121), we get a palindrome (33202122120233).

The spelling of 12100120020112 in words is "twelve trillion, one hundred billion, one hundred twenty million, twenty thousand, one hundred twelve".