12012310311030 has 64 divisors (see below), whose sum is σ = 32054904921600. Its totient is φ = 3201075007200.

The previous prime is 12012310311007. The next prime is 12012310311037. The reversal of 12012310311030 is 3011301321021.

12012310311030 is a `hidden beast` number, since 1 + 2 + 0 + 12 + 310 + 311 + 0 + 30 = 666.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12012310310994 and 12012310311012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012310311037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14939050 + ... + 15722589.

It is an arithmetic number, because the mean of its divisors is an integer number (500857889400).

Almost surely, 2^{12012310311030} is an apocalyptic number.

12012310311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012310311030 is an abundant number, since it is smaller than the sum of its proper divisors (20042594610570).

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

12012310311030 is a wasteful number, since it uses less digits than its factorization.

12012310311030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30663106 (or 30663100 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12012310311030 its reverse (3011301321021), we get a palindrome (15023611632051).

The spelling of 12012310311030 in words is "twelve trillion, twelve billion, three hundred ten million, three hundred eleven thousand, thirty".