1220432512097 has 2 divisors, whose sum is σ = 1220432512098. Its totient is φ = 1220432512096.

The previous prime is 1220432512031. The next prime is 1220432512111. The reversal of 1220432512097 is 7902152340221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622704061456 + 597728450641 = 789116^2 + 773129^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220432512097 - 2²² = 1220428317793 is a prime.

It is a super-3 number, since 3×1220432512097³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220432512097.

It is not a weakly prime, because it can be changed into another prime (1220432512597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610216256048 + 610216256049.

It is an arithmetic number, because the mean of its divisors is an integer number (610216256049).

Almost surely, 2^{1220432512097} is an apocalyptic number.

It is an amenable number.

1220432512097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220432512097 is an equidigital number, since it uses as much as digits as its factorization.

1220432512097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 1220432512097 in words is "one trillion, two hundred twenty billion, four hundred thirty-two million, five hundred twelve thousand, ninety-seven".