1212020201211 has 8 divisors (see below), whose sum is σ = 1616739163920. Its totient is φ = 807657352992.

The previous prime is 1212020201191. The next prime is 1212020201221. The reversal of 1212020201211 is 1121020202121.

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

It is not a de Polignac number, because 1212020201211 - 2⁷ = 1212020201083 is a prime.

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

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 7 ways as a sum of consecutive naturals, for example, 89020680 + ... + 89034293.

It is an arithmetic number, because the mean of its divisors is an integer number (202092395490).

Almost surely, 2^{1212020201211} is an apocalyptic number.

1212020201211 is a deficient number, since it is larger than the sum of its proper divisors (404718962709).

1212020201211 is a wasteful number, since it uses less digits than its factorization.

1212020201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178057245.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212020201211 its reverse (1121020202121), we get a palindrome (2333040403332).

The spelling of 1212020201211 in words is "one trillion, two hundred twelve billion, twenty million, two hundred one thousand, two hundred eleven".