1212002020211 has 4 divisors (see below), whose sum is σ = 1283296256712. Its totient is φ = 1140707783712.

The previous prime is 1212002020183. The next prime is 1212002020213. The reversal of 1212002020211 is 1120202002121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212002020211 - 2⁶ = 1212002020147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212002020213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35647118225 + ... + 35647118258.

It is an arithmetic number, because the mean of its divisors is an integer number (320824064178).

Almost surely, 2^{1212002020211} is an apocalyptic number.

1212002020211 is a deficient number, since it is larger than the sum of its proper divisors (71294236501).

1212002020211 is an equidigital number, since it uses as much as digits as its factorization.

1212002020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71294236500.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212002020211 its reverse (1120202002121), we get a palindrome (2332204022332).

The spelling of 1212002020211 in words is "one trillion, two hundred twelve billion, two million, twenty thousand, two hundred eleven".