12031022010181 has 2 divisors, whose sum is σ = 12031022010182. Its totient is φ = 12031022010180.

The previous prime is 12031022010179. The next prime is 12031022010187. The reversal of 12031022010181 is 18101022013021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7935680557156 + 4095341453025 = 2817034^2 + 2023695^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031022010181 - 2¹ = 12031022010179 is a prime.

It is a super-2 number, since 2×12031022010181² (a number of 27 digits) contains 22 as substring.

Together with 12031022010179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031022010187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015511005090 + 6015511005091.

It is an arithmetic number, because the mean of its divisors is an integer number (6015511005091).

Almost surely, 2^{12031022010181} is an apocalyptic number.

It is an amenable number.

12031022010181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031022010181 is an equidigital number, since it uses as much as digits as its factorization.

12031022010181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The spelling of 12031022010181 in words is "twelve trillion, thirty-one billion, twenty-two million, ten thousand, one hundred eighty-one".