1220303133409 has 2 divisors, whose sum is σ = 1220303133410. Its totient is φ = 1220303133408.

The previous prime is 1220303133347. The next prime is 1220303133443. The reversal of 1220303133409 is 9043313030221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1190438109184 + 29865024225 = 1091072^2 + 172815^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220303133409 - 2¹⁷ = 1220303002337 is a prime.

It is a super-2 number, since 2×1220303133409² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1220303137409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610151566704 + 610151566705.

It is an arithmetic number, because the mean of its divisors is an integer number (610151566705).

Almost surely, 2^{1220303133409} is an apocalyptic number.

It is an amenable number.

1220303133409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220303133409 is an equidigital number, since it uses as much as digits as its factorization.

1220303133409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 1220303133409 in words is "one trillion, two hundred twenty billion, three hundred three million, one hundred thirty-three thousand, four hundred nine".