1100205423312 has 40 divisors (see below), whose sum is σ = 2878174535040. Its totient is φ = 362092922880.

The previous prime is 1100205423299. The next prime is 1100205423323. The reversal of 1100205423312 is 2133245020011.

It is a super-2 number, since 2×1100205423312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 145065489 + ... + 145073072.

It is an arithmetic number, because the mean of its divisors is an integer number (71954363376).

Almost surely, 2^{1100205423312} is an apocalyptic number.

1100205423312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100205423312 is an abundant number, since it is smaller than the sum of its proper divisors (1777969111728).

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

1100205423312 is a wasteful number, since it uses less digits than its factorization.

1100205423312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290138651 (or 290138645 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 1100205423312 in words is "one trillion, one hundred billion, two hundred five million, four hundred twenty-three thousand, three hundred twelve".