30012112321 has 8 divisors (see below), whose sum is σ = 31594359200. Its totient is φ = 28430131680.

The previous prime is 30012112313. The next prime is 30012112357. The reversal of 30012112321 is 12321121003.

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

It is not a de Polignac number, because 30012112321 - 2³ = 30012112313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012112295 and 30012112304.

It is not an unprimeable number, because it can be changed into a prime (30012112121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190285 + ... + 310213.

It is an arithmetic number, because the mean of its divisors is an integer number (3949294900).

Almost surely, 2^30012112321 is an apocalyptic number.

It is an amenable number.

30012112321 is a deficient number, since it is larger than the sum of its proper divisors (1582246879).

30012112321 is a wasteful number, since it uses less digits than its factorization.

30012112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133119.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30012112321 its reverse (12321121003), we get a palindrome (42333233324).

The spelling of 30012112321 in words is "thirty billion, twelve million, one hundred twelve thousand, three hundred twenty-one".