1220300239997 has 2 divisors, whose sum is σ = 1220300239998. Its totient is φ = 1220300239996.

The previous prime is 1220300239981. The next prime is 1220300240041. The reversal of 1220300239997 is 7999320030221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1049178198436 + 171122041561 = 1024294^2 + 413669^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220300239997 - 2⁴ = 1220300239981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220300239927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610150119998 + 610150119999.

It is an arithmetic number, because the mean of its divisors is an integer number (610150119999).

Almost surely, 2^{1220300239997} is an apocalyptic number.

It is an amenable number.

1220300239997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220300239997 is an equidigital number, since it uses as much as digits as its factorization.

1220300239997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 1220300239997 in words is "one trillion, two hundred twenty billion, three hundred million, two hundred thirty-nine thousand, nine hundred ninety-seven".