12100201211222 has 4 divisors (see below), whose sum is σ = 18150301816836. Its totient is φ = 6050100605610.

The previous prime is 12100201211201. The next prime is 12100201211269. The reversal of 12100201211222 is 22211210200121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12100201211222.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3025050302804 + ... + 3025050302807.

It is an arithmetic number, because the mean of its divisors is an integer number (4537575454209).

Almost surely, 2^{12100201211222} is an apocalyptic number.

12100201211222 is a deficient number, since it is larger than the sum of its proper divisors (6050100605614).

12100201211222 is an equidigital number, since it uses as much as digits as its factorization.

12100201211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050100605613.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12100201211222 its reverse (22211210200121), we get a palindrome (34311411411343).

It can be divided in two parts, 1210020 and 1211222, that added together give a palindrome (2421242).

The spelling of 12100201211222 in words is "twelve trillion, one hundred billion, two hundred one million, two hundred eleven thousand, two hundred twenty-two".