1123120013320 has 16 divisors (see below), whose sum is σ = 2527020030060. Its totient is φ = 449248005312.

The previous prime is 1123120013299. The next prime is 1123120013341. The reversal of 1123120013320 is 233100213211.

It is an interprime number because it is at equal distance from previous prime (1123120013299) and next prime (1123120013341).

It can be written as a sum of positive squares in 2 ways, for example, as 1000316024964 + 122803988356 = 1000158^2 + 350434^2 .

It is a super-2 number, since 2×1123120013320² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14039000127 + ... + 14039000206.

Almost surely, 2^{1123120013320} is an apocalyptic number.

1123120013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123120013320 is an abundant number, since it is smaller than the sum of its proper divisors (1403900016740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123120013320 is a wasteful number, since it uses less digits than its factorization.

1123120013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28078000344 (or 28078000340 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1123120013320 its reverse (233100213211), we get a palindrome (1356220226531).

The spelling of 1123120013320 in words is "one trillion, one hundred twenty-three billion, one hundred twenty million, thirteen thousand, three hundred twenty".