1220010500503 has 8 divisors (see below), whose sum is σ = 1321817123088. Its totient is φ = 1121541800064.

The previous prime is 1220010500461. The next prime is 1220010500521. The reversal of 1220010500503 is 3050050100221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220010500503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220010500573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834479776 + ... + 834481237.

It is an arithmetic number, because the mean of its divisors is an integer number (165227140386).

Almost surely, 2^{1220010500503} is an apocalyptic number.

1220010500503 is a deficient number, since it is larger than the sum of its proper divisors (101806622585).

1220010500503 is a wasteful number, since it uses less digits than its factorization.

1220010500503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668961073.

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 1220010500503 its reverse (3050050100221), we get a palindrome (4270060600724).

The spelling of 1220010500503 in words is "one trillion, two hundred twenty billion, ten million, five hundred thousand, five hundred three".