1111312123000 has 64 divisors (see below), whose sum is σ = 2600721133920. Its totient is φ = 444481984000.

The previous prime is 1111312122979. The next prime is 1111312123057. The reversal of 1111312123000 is 3212131111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11585235 + ... + 11680765.

Almost surely, 2^{1111312123000} is an apocalyptic number.

1111312123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111312123000 is an abundant number, since it is smaller than the sum of its proper divisors (1489409010920).

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

1111312123000 is a wasteful number, since it uses less digits than its factorization.

1111312123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107185 (or 107171 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1111312123000 its reverse (3212131111), we get a palindrome (1114524254111).

The spelling of 1111312123000 in words is "one trillion, one hundred eleven billion, three hundred twelve million, one hundred twenty-three thousand".