2120313122149 has 2 divisors, whose sum is σ = 2120313122150. Its totient is φ = 2120313122148.

The previous prime is 2120313122089. The next prime is 2120313122227. The reversal of 2120313122149 is 9412213130212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2103167052900 + 17146069249 = 1450230^2 + 130943^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120313122149 - 2⁷ = 2120313122021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120313122149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120313126149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060156561074 + 1060156561075.

It is an arithmetic number, because the mean of its divisors is an integer number (1060156561075).

Almost surely, 2^{2120313122149} is an apocalyptic number.

It is an amenable number.

2120313122149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120313122149 is an equidigital number, since it uses as much as digits as its factorization.

2120313122149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 2120313122149 in words is "two trillion, one hundred twenty billion, three hundred thirteen million, one hundred twenty-two thousand, one hundred forty-nine".