12211212002 has 8 divisors (see below), whose sum is σ = 19981983312. Its totient is φ = 5550550900.

The previous prime is 12211211963. The next prime is 12211212017. The reversal of 12211212002 is 20021211221.

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

It is a super-2 number, since 2×12211212002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277527524 + ... + 277527567.

It is an arithmetic number, because the mean of its divisors is an integer number (2497747914).

Almost surely, 2^12211212002 is an apocalyptic number.

12211212002 is a deficient number, since it is larger than the sum of its proper divisors (7770771310).

12211212002 is a wasteful number, since it uses less digits than its factorization.

12211212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555055104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12211212002 its reverse (20021211221), we get a palindrome (32232423223).

The spelling of 12211212002 in words is "twelve billion, two hundred eleven million, two hundred twelve thousand, two".