120203223009 has 16 divisors (see below), whose sum is σ = 164718016320. Its totient is φ = 77914992960.

The previous prime is 120203222981. The next prime is 120203223043. The reversal of 120203223009 is 900322302021.

It is not a de Polignac number, because 120203223009 - 2⁵ = 120203222977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120203223009.

It is not an unprimeable number, because it can be changed into a prime (120203223079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220287 + ... + 537524.

It is an arithmetic number, because the mean of its divisors is an integer number (10294876020).

Almost surely, 2^120203223009 is an apocalyptic number.

It is an amenable number.

120203223009 is a deficient number, since it is larger than the sum of its proper divisors (44514793311).

120203223009 is a wasteful number, since it uses less digits than its factorization.

120203223009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759280.

The product of its (nonzero) digits is 1296, while the sum is 24.

The spelling of 120203223009 in words is "one hundred twenty billion, two hundred three million, two hundred twenty-three thousand, nine".