10230120099 has 20 divisors (see below), whose sum is σ = 15375805896. Its totient is φ = 6778230336.

The previous prime is 10230120083. The next prime is 10230120101. The reversal of 10230120099 is 99002103201.

10230120099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10230120099 - 2⁴ = 10230120083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10230120079) 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 19 ways as a sum of consecutive naturals, for example, 374214 + ... + 400619.

Almost surely, 2^10230120099 is an apocalyptic number.

10230120099 is a deficient number, since it is larger than the sum of its proper divisors (5145685797).

10230120099 is an equidigital number, since it uses as much as digits as its factorization.

10230120099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775008 (or 774999 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 10230120099 in words is "ten billion, two hundred thirty million, one hundred twenty thousand, ninety-nine".