12012111303102 has 32 divisors (see below), whose sum is σ = 26694894646560. Its totient is φ = 4003840005120.

The previous prime is 12012111303091. The next prime is 12012111303103. The reversal of 12012111303102 is 20130311121021.

12012111303102 is a `hidden beast` number, since 1 + 201 + 21 + 1 + 130 + 310 + 2 = 666.

12012111303102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12012111303102² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012111303103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4365649 + ... + 6563772.

It is an arithmetic number, because the mean of its divisors is an integer number (834215457705).

Almost surely, 2^{12012111303102} is an apocalyptic number.

12012111303102 is an abundant number, since it is smaller than the sum of its proper divisors (14682783343458).

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

12012111303102 is a wasteful number, since it uses less digits than its factorization.

12012111303102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949785 (or 10949779 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12012111303102 its reverse (20130311121021), we get a palindrome (32142422424123).

The spelling of 12012111303102 in words is "twelve trillion, twelve billion, one hundred eleven million, three hundred three thousand, one hundred two".