12220331002 has 8 divisors (see below), whose sum is σ = 19996905312. Its totient is φ = 5554695900.

The previous prime is 12220330957. The next prime is 12220331003. The reversal of 12220331002 is 20013302221.

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

It is not an unprimeable number, because it can be changed into a prime (12220331003) 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, 277734774 + ... + 277734817.

It is an arithmetic number, because the mean of its divisors is an integer number (2499613164).

Almost surely, 2^12220331002 is an apocalyptic number.

12220331002 is a deficient number, since it is larger than the sum of its proper divisors (7776574310).

12220331002 is a wasteful number, since it uses less digits than its factorization.

12220331002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555469604.

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

Adding to 12220331002 its reverse (20013302221), we get a palindrome (32233633223).

The spelling of 12220331002 in words is "twelve billion, two hundred twenty million, three hundred thirty-one thousand, two".