12111110121310 has 128 divisors (see below), whose sum is σ = 24404652518400. Its totient is φ = 4300424570880.

The previous prime is 12111110121307. The next prime is 12111110121317. The reversal of 12111110121310 is 1312101111121.

It is a super-3 number, since 3×12111110121310³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111110121317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1818754761 + ... + 1818761419.

It is an arithmetic number, because the mean of its divisors is an integer number (190661347800).

Almost surely, 2^{12111110121310} is an apocalyptic number.

12111110121310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111110121310 is an abundant number, since it is smaller than the sum of its proper divisors (12293542397090).

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

12111110121310 is a wasteful number, since it uses less digits than its factorization.

12111110121310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 12111110121310 its reverse (1312101111121), we get a palindrome (13423211232431).

The spelling of 12111110121310 in words is "twelve trillion, one hundred eleven billion, one hundred ten million, one hundred twenty-one thousand, three hundred ten".