1220432512103 has 16 divisors (see below), whose sum is σ = 1441127632896. Its totient is φ = 1011387798720.

The previous prime is 1220432512097. The next prime is 1220432512111. The reversal of 1220432512103 is 3012152340221.

It is a cyclic number.

It is not a de Polignac number, because 1220432512103 - 2²⁰ = 1220431463527 is a prime.

It is a super-3 number, since 3×1220432512103³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220432512183) 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 15 ways as a sum of consecutive naturals, for example, 2414726 + ... + 2876067.

It is an arithmetic number, because the mean of its divisors is an integer number (90070477056).

Almost surely, 2^{1220432512103} is an apocalyptic number.

1220432512103 is a deficient number, since it is larger than the sum of its proper divisors (220695120793).

1220432512103 is a wasteful number, since it uses less digits than its factorization.

1220432512103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291894.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1220432512103 its reverse (3012152340221), we get a palindrome (4232584852324).

The spelling of 1220432512103 in words is "one trillion, two hundred twenty billion, four hundred thirty-two million, five hundred twelve thousand, one hundred three".