12221212211002 has 8 divisors (see below), whose sum is σ = 18331876281312. Its totient is φ = 6110586783900.

The previous prime is 12221212210979. The next prime is 12221212211093. The reversal of 12221212211002 is 20011221212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8856774 + ... + 10143217.

It is an arithmetic number, because the mean of its divisors is an integer number (2291484535164).

Almost surely, 2^{12221212211002} is an apocalyptic number.

12221212211002 is a deficient number, since it is larger than the sum of its proper divisors (6110664070310).

12221212211002 is a wasteful number, since it uses less digits than its factorization.

12221212211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19321604.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12221212211002 its reverse (20011221212221), we get a palindrome (32232433423223).

The spelling of 12221212211002 in words is "twelve trillion, two hundred twenty-one billion, two hundred twelve million, two hundred eleven thousand, two".