1211212202322 has 8 divisors (see below), whose sum is σ = 2422424404656. Its totient is φ = 403737400772.

The previous prime is 1211212202287. The next prime is 1211212202329. The reversal of 1211212202322 is 2232022121121.

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

1211212202322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1211212202329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100934350188 + ... + 100934350199.

It is an arithmetic number, because the mean of its divisors is an integer number (302803050582).

Almost surely, 2^{1211212202322} is an apocalyptic number.

1211212202322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211212202322 is a wasteful number, since it uses less digits than its factorization.

1211212202322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201868700392.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1211212202322 its reverse (2232022121121), we get a palindrome (3443234323443).

The spelling of 1211212202322 in words is "one trillion, two hundred eleven billion, two hundred twelve million, two hundred two thousand, three hundred twenty-two".