1220010500505 has 8 divisors (see below), whose sum is σ = 1952016800832. Its totient is φ = 650672266928.

The previous prime is 1220010500461. The next prime is 1220010500521. The reversal of 1220010500505 is 5050050100221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220010500505 - 2⁶ = 1220010500441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40667016669 + ... + 40667016698.

It is an arithmetic number, because the mean of its divisors is an integer number (244002100104).

Almost surely, 2^{1220010500505} is an apocalyptic number.

1220010500505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1220010500505 is a deficient number, since it is larger than the sum of its proper divisors (732006300327).

1220010500505 is an equidigital number, since it uses as much as digits as its factorization.

1220010500505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81334033375.

The product of its (nonzero) digits is 500, while the sum is 21.

Adding to 1220010500505 its reverse (5050050100221), we get a palindrome (6270060600726).

The spelling of 1220010500505 in words is "one trillion, two hundred twenty billion, ten million, five hundred thousand, five hundred five".