1220504532506 has 8 divisors (see below), whose sum is σ = 2092293484320. Its totient is φ = 523073371068.

The previous prime is 1220504532469. The next prime is 1220504532517. The reversal of 1220504532506 is 6052354050221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1220504532506² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43589447576 + ... + 43589447603.

It is an arithmetic number, because the mean of its divisors is an integer number (261536685540).

Almost surely, 2^{1220504532506} is an apocalyptic number.

1220504532506 is a deficient number, since it is larger than the sum of its proper divisors (871788951814).

1220504532506 is an equidigital number, since it uses as much as digits as its factorization.

1220504532506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87178895188.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1220504532506 its reverse (6052354050221), we get a palindrome (7272858582727).

The spelling of 1220504532506 in words is "one trillion, two hundred twenty billion, five hundred four million, five hundred thirty-two thousand, five hundred six".