12111212120102 has 8 divisors (see below), whose sum is σ = 18179084773512. Its totient is φ = 6051517195600.

The previous prime is 12111212120101. The next prime is 12111212120129. The reversal of 12111212120102 is 20102121211121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111212120101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2044428524 + ... + 2044434447.

It is an arithmetic number, because the mean of its divisors is an integer number (2272385596689).

Almost surely, 2^{12111212120102} is an apocalyptic number.

12111212120102 is a deficient number, since it is larger than the sum of its proper divisors (6067872653410).

12111212120102 is a wasteful number, since it uses less digits than its factorization.

12111212120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088864454.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12111212120102 its reverse (20102121211121), we get a palindrome (32213333331223).

The spelling of 12111212120102 in words is "twelve trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty thousand, one hundred two".