1223001220996 has 12 divisors (see below), whose sum is σ = 2142064382220. Its totient is φ = 610982826080.

The previous prime is 1223001220957. The next prime is 1223001220997. The reversal of 1223001220996 is 6990221003221.

It can be written as a sum of positive squares in 2 ways, for example, as 1114882574400 + 108118646596 = 1055880^2 + 328814^2 .

It is not an unprimeable number, because it can be changed into a prime (1223001220997) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 129440791 + ... + 129450238.

It is an arithmetic number, because the mean of its divisors is an integer number (178505365185).

Almost surely, 2^{1223001220996} is an apocalyptic number.

It is an amenable number.

1223001220996 is a deficient number, since it is larger than the sum of its proper divisors (919063161224).

1223001220996 is a wasteful number, since it uses less digits than its factorization.

1223001220996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258892214 (or 258892212 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 1223001220996 in words is "one trillion, two hundred twenty-three billion, one million, two hundred twenty thousand, nine hundred ninety-six".