1212202212211 has 8 divisors (see below), whose sum is σ = 1284340078944. Its totient is φ = 1140156773760.

The previous prime is 1212202212139. The next prime is 1212202212229. The reversal of 1212202212211 is 1122122022121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212202212211 - 2⁹ = 1212202211699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212202218211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23080060 + ... + 23132521.

It is an arithmetic number, because the mean of its divisors is an integer number (160542509868).

Almost surely, 2^{1212202212211} is an apocalyptic number.

1212202212211 is a deficient number, since it is larger than the sum of its proper divisors (72137866733).

1212202212211 is a wasteful number, since it uses less digits than its factorization.

1212202212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46214141.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1212202212211 its reverse (1122122022121), we get a palindrome (2334324234332).

The spelling of 1212202212211 in words is "one trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, two hundred eleven".