12005405255110 has 32 divisors (see below), whose sum is σ = 21669913073952. Its totient is φ = 4788790640640.

The previous prime is 12005405255099. The next prime is 12005405255113. The reversal of 12005405255110 is 1155250450021.

It is a super-2 number, since 2×12005405255110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005405255113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36880582 + ... + 37204678.

It is an arithmetic number, because the mean of its divisors is an integer number (677184783561).

Almost surely, 2^{12005405255110} is an apocalyptic number.

12005405255110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12005405255110 is a deficient number, since it is larger than the sum of its proper divisors (9664507818842).

12005405255110 is a wasteful number, since it uses less digits than its factorization.

12005405255110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334408.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 12005405255110 in words is "twelve trillion, five billion, four hundred five million, two hundred fifty-five thousand, one hundred ten".