12222344566790 has 32 divisors (see below), whose sum is σ = 22079031995520. Its totient is φ = 4871453865984.

The previous prime is 12222344566741. The next prime is 12222344566811. The reversal of 12222344566790 is 9766544322221.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1425974 + ... + 5145686.

It is an arithmetic number, because the mean of its divisors is an integer number (689969749860).

Almost surely, 2^{12222344566790} is an apocalyptic number.

12222344566790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222344566790 is a deficient number, since it is larger than the sum of its proper divisors (9856687428730).

12222344566790 is a wasteful number, since it uses less digits than its factorization.

12222344566790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720896.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 12222344566790 in words is "twelve trillion, two hundred twenty-two billion, three hundred forty-four million, five hundred sixty-six thousand, seven hundred ninety".