1123312210120 has 16 divisors (see below), whose sum is σ = 2527452472860. Its totient is φ = 449324884032.

The previous prime is 1123312210117. The next prime is 1123312210129. The reversal of 1123312210120 is 210122133211.

It can be written as a sum of positive squares in 2 ways, for example, as 1068564633796 + 54747576324 = 1033714^2 + 233982^2 .

It is not an unprimeable number, because it can be changed into a prime (1123312210129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14041402587 + ... + 14041402666.

Almost surely, 2^{1123312210120} is an apocalyptic number.

1123312210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123312210120 is an abundant number, since it is smaller than the sum of its proper divisors (1404140262740).

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

1123312210120 is a wasteful number, since it uses less digits than its factorization.

1123312210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28082805264 (or 28082805260 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1123312210120 its reverse (210122133211), we get a palindrome (1333434343331).

The spelling of 1123312210120 in words is "one trillion, one hundred twenty-three billion, three hundred twelve million, two hundred ten thousand, one hundred twenty".