12120112111002 has 64 divisors (see below), whose sum is σ = 28293341921280. Its totient is φ = 3389114779776.

The previous prime is 12120112110983. The next prime is 12120112111039. The reversal of 12120112111002 is 20011121102121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97392223 + ... + 97516589.

It is an arithmetic number, because the mean of its divisors is an integer number (442083467520).

Almost surely, 2^{12120112111002} is an apocalyptic number.

12120112111002 is an abundant number, since it is smaller than the sum of its proper divisors (16173229810278).

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

12120112111002 is a wasteful number, since it uses less digits than its factorization.

12120112111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173795.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12120112111002 its reverse (20011121102121), we get a palindrome (32131233213123).

The spelling of 12120112111002 in words is "twelve trillion, one hundred twenty billion, one hundred twelve million, one hundred eleven thousand, two".