4240221302129 has 2 divisors, whose sum is σ = 4240221302130. Its totient is φ = 4240221302128.

The previous prime is 4240221302101. The next prime is 4240221302147. The reversal of 4240221302129 is 9212031220424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2981285689600 + 1258935612529 = 1726640^2 + 1122023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4240221302129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4240221302095 and 4240221302104.

It is not a weakly prime, because it can be changed into another prime (4240221302159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120110651064 + 2120110651065.

It is an arithmetic number, because the mean of its divisors is an integer number (2120110651065).

Almost surely, 2^{4240221302129} is an apocalyptic number.

It is an amenable number.

4240221302129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240221302129 is an equidigital number, since it uses as much as digits as its factorization.

4240221302129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 4240221302129 in words is "four trillion, two hundred forty billion, two hundred twenty-one million, three hundred two thousand, one hundred twenty-nine".