12012012103311 has 12 divisors (see below), whose sum is σ = 18928019072040. Its totient is φ = 7280007335280.

The previous prime is 12012012103277. The next prime is 12012012103363. The reversal of 12012012103311 is 11330121021021.

12012012103311 is a `hidden beast` number, since 1 + 2 + 0 + 120 + 1 + 210 + 331 + 1 = 666.

It is not a de Polignac number, because 12012012103311 - 2²⁶ = 12011944994447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012012103381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60666727696 + ... + 60666727893.

It is an arithmetic number, because the mean of its divisors is an integer number (1577334922670).

Almost surely, 2^{12012012103311} is an apocalyptic number.

12012012103311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012012103311 is a deficient number, since it is larger than the sum of its proper divisors (6916006968729).

12012012103311 is a wasteful number, since it uses less digits than its factorization.

12012012103311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121333455606 (or 121333455603 counting only the distinct ones).

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

Adding to 12012012103311 its reverse (11330121021021), we get a palindrome (23342133124332).

The spelling of 12012012103311 in words is "twelve trillion, twelve billion, twelve million, one hundred three thousand, three hundred eleven".