1212201201122 has 8 divisors (see below), whose sum is σ = 1881001863900. Its totient is φ = 585200579824.

The previous prime is 1212201201097. The next prime is 1212201201139. The reversal of 1212201201122 is 2211021022121.

It can be written as a sum of positive squares in 2 ways, for example, as 1211696794441 + 504406681 = 1100771^2 + 22459^2 .

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 1212201201122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10450010297 + ... + 10450010412.

Almost surely, 2^{1212201201122} is an apocalyptic number.

1212201201122 is a deficient number, since it is larger than the sum of its proper divisors (668800662778).

1212201201122 is a wasteful number, since it uses less digits than its factorization.

1212201201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20900020740.

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

Adding to 1212201201122 its reverse (2211021022121), we get a palindrome (3423222223243).

The spelling of 1212201201122 in words is "one trillion, two hundred twelve billion, two hundred one million, two hundred one thousand, one hundred twenty-two".