1123300221312 has 64 divisors (see below), whose sum is σ = 2994538215600. Its totient is φ = 373081626624.

The previous prime is 1123300221247. The next prime is 1123300221359. The reversal of 1123300221312 is 2131220033211.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5173887 + ... + 5386622.

Almost surely, 2^{1123300221312} is an apocalyptic number.

1123300221312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123300221312 is an abundant number, since it is smaller than the sum of its proper divisors (1871237994288).

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

1123300221312 is a wasteful number, since it uses less digits than its factorization.

1123300221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10560803 (or 10560791 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1123300221312 its reverse (2131220033211), we get a palindrome (3254520254523).

The spelling of 1123300221312 in words is "one trillion, one hundred twenty-three billion, three hundred million, two hundred twenty-one thousand, three hundred twelve".