12213220330 has 16 divisors (see below), whose sum is σ = 23140838880. Its totient is φ = 4628167632.

The previous prime is 12213220321. The next prime is 12213220361. The reversal of 12213220330 is 3302231221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 12213220298 and 12213220307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32139864 + ... + 32140243.

It is an arithmetic number, because the mean of its divisors is an integer number (1446302430).

Almost surely, 2^12213220330 is an apocalyptic number.

12213220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12213220330 is a deficient number, since it is larger than the sum of its proper divisors (10927618550).

12213220330 is a wasteful number, since it uses less digits than its factorization.

12213220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64280133.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12213220330 its reverse (3302231221), we get a palindrome (15515451551).

The spelling of 12213220330 in words is "twelve billion, two hundred thirteen million, two hundred twenty thousand, three hundred thirty".