1220432513327 has 2 divisors, whose sum is σ = 1220432513328. Its totient is φ = 1220432513326.

The previous prime is 1220432513299. The next prime is 1220432513381. The reversal of 1220432513327 is 7233152340221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220432513327 - 2¹⁶ = 1220432447791 is a prime.

It is a super-3 number, since 3×1220432513327³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220432510327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610216256663 + 610216256664.

It is an arithmetic number, because the mean of its divisors is an integer number (610216256664).

Almost surely, 2^{1220432513327} is an apocalyptic number.

1220432513327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220432513327 is an equidigital number, since it uses as much as digits as its factorization.

1220432513327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 1220432513327 its reverse (7233152340221), we get a palindrome (8453584853548).

The spelling of 1220432513327 in words is "one trillion, two hundred twenty billion, four hundred thirty-two million, five hundred thirteen thousand, three hundred twenty-seven".