1220112124543 has 8 divisors (see below), whose sum is σ = 1371095899488. Its totient is φ = 1077289634784.

The previous prime is 1220112124513. The next prime is 1220112124597. The reversal of 1220112124543 is 3454212110221.

It is a happy number.

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 1220112124543 - 2³³ = 1211522189951 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 (1220112124513) 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, 2040320980 + ... + 2040321577.

It is an arithmetic number, because the mean of its divisors is an integer number (171386987436).

Almost surely, 2^{1220112124543} is an apocalyptic number.

1220112124543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1220112124543 is a deficient number, since it is larger than the sum of its proper divisors (150983774945).

1220112124543 is a wasteful number, since it uses less digits than its factorization.

1220112124543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080642593.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1220112124543 its reverse (3454212110221), we get a palindrome (4674324234764).

The spelling of 1220112124543 in words is "one trillion, two hundred twenty billion, one hundred twelve million, one hundred twenty-four thousand, five hundred forty-three".