1220230133279 has 2 divisors, whose sum is σ = 1220230133280. Its totient is φ = 1220230133278.

The previous prime is 1220230133203. The next prime is 1220230133333. The reversal of 1220230133279 is 9723310320221.

It is a strong prime.

It is an emirp because it is prime and its reverse (9723310320221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220230133279 is a prime.

It is a super-2 number, since 2×1220230133279² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220230133179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610115066639 + 610115066640.

It is an arithmetic number, because the mean of its divisors is an integer number (610115066640).

Almost surely, 2^{1220230133279} is an apocalyptic number.

1220230133279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220230133279 is an equidigital number, since it uses as much as digits as its factorization.

1220230133279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 1220230133279 in words is "one trillion, two hundred twenty billion, two hundred thirty million, one hundred thirty-three thousand, two hundred seventy-nine".