1220011212103 has 8 divisors (see below), whose sum is σ = 1223439984000. Its totient is φ = 1216585929720.

The previous prime is 1220011212053. The next prime is 1220011212137. The reversal of 1220011212103 is 3012121100221.

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 1220011212103 - 2²⁹ = 1219474341191 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 (1220011219103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171363 + ... + 1571428.

It is an arithmetic number, because the mean of its divisors is an integer number (152929998000).

Almost surely, 2^{1220011212103} is an apocalyptic number.

1220011212103 is a deficient number, since it is larger than the sum of its proper divisors (3428771897).

1220011212103 is a wasteful number, since it uses less digits than its factorization.

1220011212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744757.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1220011212103 its reverse (3012121100221), we get a palindrome (4232132312324).

The spelling of 1220011212103 in words is "one trillion, two hundred twenty billion, eleven million, two hundred twelve thousand, one hundred three".