1220123313103 has 8 divisors (see below), whose sum is σ = 1221226798320. Its totient is φ = 1219020284160.

The previous prime is 1220123313091. The next prime is 1220123313113. The reversal of 1220123313103 is 3013133210221.

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-1220123313103 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 (1220123313113) 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 in 7 ways as a sum of consecutive naturals, for example, 5354428 + ... + 5577646.

It is an arithmetic number, because the mean of its divisors is an integer number (152653349790).

Almost surely, 2^{1220123313103} is an apocalyptic number.

1220123313103 is a deficient number, since it is larger than the sum of its proper divisors (1103485217).

1220123313103 is a wasteful number, since it uses less digits than its factorization.

1220123313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228137.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1220123313103 its reverse (3013133210221), we get a palindrome (4233256523324).

The spelling of 1220123313103 in words is "one trillion, two hundred twenty billion, one hundred twenty-three million, three hundred thirteen thousand, one hundred three".