12012001131803 has 2 divisors, whose sum is σ = 12012001131804. Its totient is φ = 12012001131802.

The previous prime is 12012001131799. The next prime is 12012001131827. The reversal of 12012001131803 is 30813110021021.

It is a weak prime.

It is an emirp because it is prime and its reverse (30813110021021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12012001131803 - 2² = 12012001131799 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012001031803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006000565901 + 6006000565902.

It is an arithmetic number, because the mean of its divisors is an integer number (6006000565902).

Almost surely, 2^{12012001131803} is an apocalyptic number.

12012001131803 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012001131803 is an equidigital number, since it uses as much as digits as its factorization.

12012001131803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 12012001131803 its reverse (30813110021021), we get a palindrome (42825111152824).

The spelling of 12012001131803 in words is "twelve trillion, twelve billion, one million, one hundred thirty-one thousand, eight hundred three".