30012321222 has 48 divisors (see below), whose sum is σ = 71518749120. Its totient is φ = 9038077056.

The previous prime is 30012321217. The next prime is 30012321253. The reversal of 30012321222 is 22212321003.

30012321222 is a `hidden beast` number, since 300 + 123 + 21 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30012321195 and 30012321204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1353447 + ... + 1375442.

It is an arithmetic number, because the mean of its divisors is an integer number (1489973940).

Almost surely, 2^30012321222 is an apocalyptic number.

30012321222 is an abundant number, since it is smaller than the sum of its proper divisors (41506427898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30012321222 is a wasteful number, since it uses less digits than its factorization.

30012321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728957 (or 2728954 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30012321222 its reverse (22212321003), we get a palindrome (52224642225).

The spelling of 30012321222 in words is "thirty billion, twelve million, three hundred twenty-one thousand, two hundred twenty-two".