12110320012 has 36 divisors (see below), whose sum is σ = 25118326800. Its totient is φ = 5092205664.

The previous prime is 12110319967. The next prime is 12110320031. The reversal of 12110320012 is 21002301121.

It is a junction number, because it is equal to n+sod(n) for n = 12110319974 and 12110320001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572512 + ... + 593287.

It is an arithmetic number, because the mean of its divisors is an integer number (697731300).

Almost surely, 2^12110320012 is an apocalyptic number.

It is an amenable number.

12110320012 is an abundant number, since it is smaller than the sum of its proper divisors (13008006788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12110320012 is a wasteful number, since it uses less digits than its factorization.

12110320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165870 (or 1165861 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12110320012 its reverse (21002301121), we get a palindrome (33112621133).

The spelling of 12110320012 in words is "twelve billion, one hundred ten million, three hundred twenty thousand, twelve".