12030321222 has 12 divisors (see below), whose sum is σ = 26065696020. Its totient is φ = 4010107068.

The previous prime is 12030321221. The next prime is 12030321271. The reversal of 12030321222 is 22212303021.

12030321222 is a `hidden beast` number, since 120 + 3 + 0 + 321 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 668351179 = 12030321222 / (1 + 2 + 0 + 3 + 0 + 3 + 2 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12030321195 and 12030321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030321221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 334175572 + ... + 334175607.

It is an arithmetic number, because the mean of its divisors is an integer number (2172141335).

Almost surely, 2^12030321222 is an apocalyptic number.

12030321222 is an abundant number, since it is smaller than the sum of its proper divisors (14035374798).

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

12030321222 is a wasteful number, since it uses less digits than its factorization.

12030321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668351187 (or 668351184 counting only the distinct ones).

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

Adding to 12030321222 its reverse (22212303021), we get a palindrome (34242624243).

The spelling of 12030321222 in words is "twelve billion, thirty million, three hundred twenty-one thousand, two hundred twenty-two".