1105204105012 has 24 divisors (see below), whose sum is σ = 2210569981760. Its totient is φ = 473624236800.

The previous prime is 1105204105007. The next prime is 1105204105037. The reversal of 1105204105012 is 2105014025011.

It is a super-2 number, since 2×1105204105012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053114 + ... + 1821937.

Almost surely, 2^{1105204105012} is an apocalyptic number.

It is an amenable number.

1105204105012 is an abundant number, since it is smaller than the sum of its proper divisors (1105365876748).

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

1105204105012 is a wasteful number, since it uses less digits than its factorization.

1105204105012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888791 (or 2888789 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 1105204105012 in words is "one trillion, one hundred five billion, two hundred four million, one hundred five thousand, twelve".