12220211002 has 4 divisors (see below), whose sum is σ = 18330316506. Its totient is φ = 6110105500.

The previous prime is 12220210973. The next prime is 12220211021. The reversal of 12220211002 is 20011202221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20011202221 = 59 ⋅339172919.

It can be written as a sum of positive squares in only one way, i.e., 11047901881 + 1172309121 = 105109^2 + 34239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055052749 + ... + 3055052752.

Almost surely, 2^12220211002 is an apocalyptic number.

12220211002 is a deficient number, since it is larger than the sum of its proper divisors (6110105504).

12220211002 is an equidigital number, since it uses as much as digits as its factorization.

12220211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110105503.

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

Adding to 12220211002 its reverse (20011202221), we get a palindrome (32231413223).

The spelling of 12220211002 in words is "twelve billion, two hundred twenty million, two hundred eleven thousand, two".