12662788890 has 16 divisors (see below), whose sum is σ = 30390693408. Its totient is φ = 3376743696.

The previous prime is 12662788841. The next prime is 12662788907. The reversal of 12662788890 is 9888726621.

12662788890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12662788890.

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, 211046452 + ... + 211046511.

It is an arithmetic number, because the mean of its divisors is an integer number (1899418338).

Almost surely, 2^12662788890 is an apocalyptic number.

12662788890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12662788890 is an abundant number, since it is smaller than the sum of its proper divisors (17727904518).

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

12662788890 is a wasteful number, since it uses less digits than its factorization.

12662788890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422092973.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 12662788890 in words is "twelve billion, six hundred sixty-two million, seven hundred eighty-eight thousand, eight hundred ninety".