30120223221309 has 128 divisors (see below), whose sum is σ = 44877127680000. Its totient is φ = 17854992829440.

The previous prime is 30120223221301. The next prime is 30120223221323. The reversal of 30120223221309 is 90312232202103.

It is a happy number.

It is not a de Polignac number, because 30120223221309 - 2³ = 30120223221301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120223221301) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17123491572 + ... + 17123493330.

It is an arithmetic number, because the mean of its divisors is an integer number (350602560000).

Almost surely, 2^{30120223221309} is an apocalyptic number.

30120223221309 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

30120223221309 is a deficient number, since it is larger than the sum of its proper divisors (14756904458691).

30120223221309 is a wasteful number, since it uses less digits than its factorization.

30120223221309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 30120223221309 in words is "thirty trillion, one hundred twenty billion, two hundred twenty-three million, two hundred twenty-one thousand, three hundred nine".