20301213232129 has 2 divisors, whose sum is σ = 20301213232130. Its totient is φ = 20301213232128.

The previous prime is 20301213232099. The next prime is 20301213232301. The reversal of 20301213232129 is 92123231210302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20292790581504 + 8422650625 = 4504752^2 + 91775^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301213232129 - 2¹⁵ = 20301213199361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20301213232129.

It is not a weakly prime, because it can be changed into another prime (20301214232129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150606616064 + 10150606616065.

It is an arithmetic number, because the mean of its divisors is an integer number (10150606616065).

Almost surely, 2^{20301213232129} is an apocalyptic number.

It is an amenable number.

20301213232129 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301213232129 is an equidigital number, since it uses as much as digits as its factorization.

20301213232129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 20301213232129 in words is "twenty trillion, three hundred one billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred twenty-nine".