12091275473100 has 72 divisors (see below), whose sum is σ = 34984442883600. Its totient is φ = 3224307636480.

The previous prime is 12091275473093. The next prime is 12091275473117. The reversal of 12091275473100 is 137457219021.

It is a super-2 number, since 2×12091275473100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51655126 + ... + 51888674.

It is an arithmetic number, because the mean of its divisors is an integer number (485895040050).

Almost surely, 2^{12091275473100} is an apocalyptic number.

12091275473100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12091275473100 is an abundant number, since it is smaller than the sum of its proper divisors (22893167410500).

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

12091275473100 is a wasteful number, since it uses less digits than its factorization.

12091275473100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406139 (or 406132 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 12091275473100 in words is "twelve trillion, ninety-one billion, two hundred seventy-five million, four hundred seventy-three thousand, one hundred".