1212210100211 has 12 divisors (see below), whose sum is σ = 1410807479256. Its totient is φ = 1037185110720.

The previous prime is 1212210100201. The next prime is 1212210100249. The reversal of 1212210100211 is 1120010122121.

It is not a de Polignac number, because 1212210100211 - 2⁶ = 1212210100147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212210100201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294652805 + ... + 294656918.

It is an arithmetic number, because the mean of its divisors is an integer number (117567289938).

Almost surely, 2^{1212210100211} is an apocalyptic number.

1212210100211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1212210100211 is a deficient number, since it is larger than the sum of its proper divisors (198597379045).

1212210100211 is a wasteful number, since it uses less digits than its factorization.

1212210100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589309762 (or 589309751 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212210100211 its reverse (1120010122121), we get a palindrome (2332220222332).

The spelling of 1212210100211 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred thousand, two hundred eleven".