2120300326189 has 2 divisors, whose sum is σ = 2120300326190. Its totient is φ = 2120300326188.

The previous prime is 2120300326181. The next prime is 2120300326231. The reversal of 2120300326189 is 9816230030212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1933442973289 + 186857352900 = 1390483^2 + 432270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120300326189 - 2³ = 2120300326181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120300326181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060150163094 + 1060150163095.

It is an arithmetic number, because the mean of its divisors is an integer number (1060150163095).

Almost surely, 2^{2120300326189} is an apocalyptic number.

It is an amenable number.

2120300326189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120300326189 is an equidigital number, since it uses as much as digits as its factorization.

2120300326189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 2120300326189 in words is "two trillion, one hundred twenty billion, three hundred million, three hundred twenty-six thousand, one hundred eighty-nine".