1212201313222 has 8 divisors (see below), whose sum is σ = 1818385569936. Its totient is φ = 606072789912.

The previous prime is 1212201313157. The next prime is 1212201313231. The reversal of 1212201313222 is 2223131022121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212201313193 and 1212201313202.

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 in 3 ways as a sum of consecutive naturals, for example, 13878933 + ... + 13966000.

It is an arithmetic number, because the mean of its divisors is an integer number (227298196242).

Almost surely, 2^{1212201313222} is an apocalyptic number.

1212201313222 is a deficient number, since it is larger than the sum of its proper divisors (606184256714).

1212201313222 is a wasteful number, since it uses less digits than its factorization.

1212201313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27866702.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1212201313222 its reverse (2223131022121), we get a palindrome (3435332335343).

The spelling of 1212201313222 in words is "one trillion, two hundred twelve billion, two hundred one million, three hundred thirteen thousand, two hundred twenty-two".