30002212321 has 4 divisors (see below), whose sum is σ = 30640557312. Its totient is φ = 29363867332.

The previous prime is 30002212267. The next prime is 30002212327. The reversal of 30002212321 is 12321220003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12321220003 = 1087 ⋅11335069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30002212321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30002212295 and 30002212304.

It is not an unprimeable number, because it can be changed into a prime (30002212327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319172425 + ... + 319172518.

It is an arithmetic number, because the mean of its divisors is an integer number (7660139328).

Almost surely, 2^30002212321 is an apocalyptic number.

It is an amenable number.

30002212321 is a deficient number, since it is larger than the sum of its proper divisors (638344991).

30002212321 is an equidigital number, since it uses as much as digits as its factorization.

30002212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638344990.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30002212321 its reverse (12321220003), we get a palindrome (42323432324).

The spelling of 30002212321 in words is "thirty billion, two million, two hundred twelve thousand, three hundred twenty-one".