12210221002 has 32 divisors (see below), whose sum is σ = 21849004800. Its totient is φ = 5003801088.

The previous prime is 12210220993. The next prime is 12210221011. The reversal of 12210221002 is 20012201221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12210220993) and next prime (12210221011).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1822074 + ... + 1828762.

It is an arithmetic number, because the mean of its divisors is an integer number (682781400).

Almost surely, 2^12210221002 is an apocalyptic number.

12210221002 is a deficient number, since it is larger than the sum of its proper divisors (9638783798).

12210221002 is a wasteful number, since it uses less digits than its factorization.

12210221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12390.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12210221002 its reverse (20012201221), we get a palindrome (32222422223).

The spelling of 12210221002 in words is "twelve billion, two hundred ten million, two hundred twenty-one thousand, two".