12002222022212 has 12 divisors (see below), whose sum is σ = 21004916219196. Its totient is φ = 6000817388160.

The previous prime is 12002222022173. The next prime is 12002222022229. The reversal of 12002222022212 is 21222022220021.

12002222022212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7971948959296 + 4030273062916 = 2823464^2 + 2007554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73313753 + ... + 73477280.

It is an arithmetic number, because the mean of its divisors is an integer number (1750409684933).

Almost surely, 2^{12002222022212} is an apocalyptic number.

It is an amenable number.

12002222022212 is a deficient number, since it is larger than the sum of its proper divisors (9002694196984).

12002222022212 is a wasteful number, since it uses less digits than its factorization.

12002222022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146811478 (or 146811476 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12002222022212 its reverse (21222022220021), we get a palindrome (33224244242233).

The spelling of 12002222022212 in words is "twelve trillion, two billion, two hundred twenty-two million, twenty-two thousand, two hundred twelve".