12120110012 has 24 divisors (see below), whose sum is σ = 21960850800. Its totient is φ = 5845948416.

The previous prime is 12120109961. The next prime is 12120110027. The reversal of 12120110012 is 21001102121.

It is a junction number, because it is equal to n+sod(n) for n = 12120109975 and 12120110002.

It is a congruent number.

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, 88439 + ... + 179057.

It is an arithmetic number, because the mean of its divisors is an integer number (915035450).

Almost surely, 2^12120110012 is an apocalyptic number.

It is an amenable number.

12120110012 is a deficient number, since it is larger than the sum of its proper divisors (9840740788).

12120110012 is a wasteful number, since it uses less digits than its factorization.

12120110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91805 (or 91803 counting only the distinct ones).

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

Adding to 12120110012 its reverse (21001102121), we get a palindrome (33121212133).

The spelling of 12120110012 in words is "twelve billion, one hundred twenty million, one hundred ten thousand, twelve".