12190609810 has 16 divisors (see below), whose sum is σ = 21974059800. Its totient is φ = 4869363456.

The previous prime is 12190609757. The next prime is 12190609841. The reversal of 12190609810 is 1890609121.

It can be written as a sum of positive squares in 4 ways, for example, as 10559823121 + 1630786689 = 102761^2 + 40383^2 .

It is a super-2 number, since 2×12190609810² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12190609810.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852615 + ... + 866794.

Almost surely, 2^12190609810 is an apocalyptic number.

12190609810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12190609810 is a deficient number, since it is larger than the sum of its proper divisors (9783449990).

12190609810 is a wasteful number, since it uses less digits than its factorization.

12190609810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720125.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 12190609810 in words is "twelve billion, one hundred ninety million, six hundred nine thousand, eight hundred ten".