12120111121002 has 8 divisors (see below), whose sum is σ = 24240222242016. Its totient is φ = 4040037040332.

The previous prime is 12120111120991. The next prime is 12120111121021. The reversal of 12120111121002 is 20012111102121.

It is a happy number.

12120111121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12120111121002 is an admirable number.

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, 1010009260078 + ... + 1010009260089.

It is an arithmetic number, because the mean of its divisors is an integer number (3030027780252).

Almost surely, 2^{12120111121002} is an apocalyptic number.

12120111121002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12120111121002 is a wasteful number, since it uses less digits than its factorization.

12120111121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020018520172.

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

Adding to 12120111121002 its reverse (20012111102121), we get a palindrome (32132222223123).

The spelling of 12120111121002 in words is "twelve trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty-one thousand, two".