1220233030279 has 2 divisors, whose sum is σ = 1220233030280. Its totient is φ = 1220233030278.

The previous prime is 1220233030277. The next prime is 1220233030351. The reversal of 1220233030279 is 9720303320221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220233030279 - 2¹ = 1220233030277 is a prime.

Together with 1220233030277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220233030277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610116515139 + 610116515140.

It is an arithmetic number, because the mean of its divisors is an integer number (610116515140).

Almost surely, 2^{1220233030279} is an apocalyptic number.

1220233030279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220233030279 is an equidigital number, since it uses as much as digits as its factorization.

1220233030279 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 34.

The spelling of 1220233030279 in words is "one trillion, two hundred twenty billion, two hundred thirty-three million, thirty thousand, two hundred seventy-nine".