12220221003 has 16 divisors (see below), whose sum is σ = 16403122560. Its totient is φ = 8092125504.

The previous prime is 12220220963. The next prime is 12220221029. The reversal of 12220221003 is 30012202221.

It is a happy number.

It is not a de Polignac number, because 12220221003 - 2²² = 12216026699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220221043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968308 + ... + 980846.

It is an arithmetic number, because the mean of its divisors is an integer number (1025195160).

Almost surely, 2^12220221003 is an apocalyptic number.

12220221003 is a deficient number, since it is larger than the sum of its proper divisors (4182901557).

12220221003 is a wasteful number, since it uses less digits than its factorization.

12220221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14698.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12220221003 its reverse (30012202221), we get a palindrome (42232423224).

The spelling of 12220221003 in words is "twelve billion, two hundred twenty million, two hundred twenty-one thousand, three".