1123012103120 has 160 divisors (see below), whose sum is σ = 2753936906400. Its totient is φ = 425289940992.

The previous prime is 1123012103119. The next prime is 1123012103203. The reversal of 1123012103120 is 213012103211.

It can be written as a sum of positive squares in 16 ways, for example, as 39639217216 + 1083372885904 = 199096^2 + 1040852^2 .

It is a super-2 number, since 2×1123012103120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29280116 + ... + 29318444.

It is an arithmetic number, because the mean of its divisors is an integer number (17212105665).

Almost surely, 2^{1123012103120} is an apocalyptic number.

1123012103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123012103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376968453200).

1123012103120 is an abundant number, since it is smaller than the sum of its proper divisors (1630924803280).

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

1123012103120 is a wasteful number, since it uses less digits than its factorization.

1123012103120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38617 (or 38611 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1123012103120 its reverse (213012103211), we get a palindrome (1336024206331).

Subtracting from 1123012103120 its reverse (213012103211), we obtain a palindrome (909999999909).

The spelling of 1123012103120 in words is "one trillion, one hundred twenty-three billion, twelve million, one hundred three thousand, one hundred twenty".