12002222002 has 16 divisors (see below), whose sum is σ = 18605660472. Its totient is φ = 5802926080.

The previous prime is 12002221999. The next prime is 12002222009. The reversal of 12002222002 is 20022220021.

It can be written as a sum of positive squares in 4 ways, for example, as 4332140761 + 7670081241 = 65819^2 + 87579^2 .

It is not an unprimeable number, because it can be changed into a prime (12002222009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638383 + ... + 656914.

Almost surely, 2^12002222002 is an apocalyptic number.

12002222002 is a deficient number, since it is larger than the sum of its proper divisors (6603438470).

12002222002 is a wasteful number, since it uses less digits than its factorization.

12002222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295453.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 12002222002 its reverse (20022220021), we get a palindrome (32024442023).

The spelling of 12002222002 in words is "twelve billion, two million, two hundred twenty-two thousand, two".