10123001220999 has 8 divisors (see below), whose sum is σ = 13497349805440. Its totient is φ = 6748660058616.

The previous prime is 10123001220967. The next prime is 10123001221007. The reversal of 10123001220999 is 99902210032101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10123001220999 - 2⁵ = 10123001220967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123001220949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3722112 + ... + 5839530.

It is an arithmetic number, because the mean of its divisors is an integer number (1687168725680).

Almost surely, 2^{10123001220999} is an apocalyptic number.

10123001220999 is a deficient number, since it is larger than the sum of its proper divisors (3374348584441).

10123001220999 is a wasteful number, since it uses less digits than its factorization.

10123001220999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711029.

The product of its (nonzero) digits is 17496, while the sum is 39.

The spelling of 10123001220999 in words is "ten trillion, one hundred twenty-three billion, one million, two hundred twenty thousand, nine hundred ninety-nine".