12020201220149 has 2 divisors, whose sum is σ = 12020201220150. Its totient is φ = 12020201220148.

The previous prime is 12020201220121. The next prime is 12020201220277. The reversal of 12020201220149 is 94102210202021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10253476431025 + 1766724789124 = 3202105^2 + 1329182^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020201220149 - 2⁸ = 12020201219893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020201220749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010100610074 + 6010100610075.

It is an arithmetic number, because the mean of its divisors is an integer number (6010100610075).

Almost surely, 2^{12020201220149} is an apocalyptic number.

It is an amenable number.

12020201220149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020201220149 is an equidigital number, since it uses as much as digits as its factorization.

12020201220149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 12020201220149 in words is "twelve trillion, twenty billion, two hundred one million, two hundred twenty thousand, one hundred forty-nine".