1123315012120 has 64 divisors (see below), whose sum is σ = 2889607680000. Its totient is φ = 384992127360.

The previous prime is 1123315012069. The next prime is 1123315012121. The reversal of 1123315012120 is 212105133211.

It is a junction number, because it is equal to n+sod(n) for n = 1123315012091 and 1123315012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123315012121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3120 + ... + 1498879.

It is an arithmetic number, because the mean of its divisors is an integer number (45150120000).

Almost surely, 2^{1123315012120} is an apocalyptic number.

1123315012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123315012120 is an abundant number, since it is smaller than the sum of its proper divisors (1766292667880).

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

1123315012120 is a wasteful number, since it uses less digits than its factorization.

1123315012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504688 (or 1504684 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The spelling of 1123315012120 in words is "one trillion, one hundred twenty-three billion, three hundred fifteen million, twelve thousand, one hundred twenty".