1212020201222 has 8 divisors (see below), whose sum is σ = 1818108846336. Its totient is φ = 605983919112.

The previous prime is 1212020201221. The next prime is 1212020201291. The reversal of 1212020201222 is 2221020202121.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1212020201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212020201221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13032833 + ... + 13125500.

It is an arithmetic number, because the mean of its divisors is an integer number (227263605792).

Almost surely, 2^{1212020201222} is an apocalyptic number.

1212020201222 is a deficient number, since it is larger than the sum of its proper divisors (606088645114).

1212020201222 is a wasteful number, since it uses less digits than its factorization.

1212020201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26181502.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1212020201222 its reverse (2221020202121), we get a palindrome (3433040403343).

The spelling of 1212020201222 in words is "one trillion, two hundred twelve billion, twenty million, two hundred one thousand, two hundred twenty-two".