1300123221029 has 2 divisors, whose sum is σ = 1300123221030. Its totient is φ = 1300123221028.

The previous prime is 1300123221017. The next prime is 1300123221037. The reversal of 1300123221029 is 9201223210031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 703421044804 + 596702176225 = 838702^2 + 772465^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300123221029 - 2⁴ = 1300123221013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300123220989 and 1300123221007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300123221049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650061610514 + 650061610515.

It is an arithmetic number, because the mean of its divisors is an integer number (650061610515).

Almost surely, 2^{1300123221029} is an apocalyptic number.

It is an amenable number.

1300123221029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300123221029 is an equidigital number, since it uses as much as digits as its factorization.

1300123221029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 1300123221029 in words is "one trillion, three hundred billion, one hundred twenty-three million, two hundred twenty-one thousand, twenty-nine".