1202212211211 has 64 divisors (see below), whose sum is σ = 1947904358400. Its totient is φ = 726765177600.

The previous prime is 1202212211153. The next prime is 1202212211251. The reversal of 1202212211211 is 1121122122021.

1202212211211 is a `hidden beast` number, since 1 + 20 + 221 + 2 + 211 + 211 = 666.

It is not a de Polignac number, because 1202212211211 - 2⁹ = 1202212210699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202212211251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 261860526 + ... + 261865116.

It is an arithmetic number, because the mean of its divisors is an integer number (30436005600).

Almost surely, 2^{1202212211211} is an apocalyptic number.

1202212211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202212211211 is a deficient number, since it is larger than the sum of its proper divisors (745692147189).

1202212211211 is a wasteful number, since it uses less digits than its factorization.

1202212211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6657 (or 6651 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1202212211211 its reverse (1121122122021), we get a palindrome (2323334333232).

The spelling of 1202212211211 in words is "one trillion, two hundred two billion, two hundred twelve million, two hundred eleven thousand, two hundred eleven".