12211201022002 has 4 divisors (see below), whose sum is σ = 18316801533006. Its totient is φ = 6105600511000.

The previous prime is 12211201021993. The next prime is 12211201022011. The reversal of 12211201022002 is 20022010211221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12211201021993) and next prime (12211201022011).

It can be written as a sum of positive squares in only one way, i.e., 11433331705041 + 777869316961 = 3381321^2 + 881969^2 .

It is a super-2 number, since 2×12211201022002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052800255499 + ... + 3052800255502.

Almost surely, 2^{12211201022002} is an apocalyptic number.

12211201022002 is a deficient number, since it is larger than the sum of its proper divisors (6105600511004).

12211201022002 is an equidigital number, since it uses as much as digits as its factorization.

12211201022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105600511003.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12211201022002 its reverse (20022010211221), we get a palindrome (32233211233223).

The spelling of 12211201022002 in words is "twelve trillion, two hundred eleven billion, two hundred one million, twenty-two thousand, two".