1212110200011 has 4 divisors (see below), whose sum is σ = 1616146933352. Its totient is φ = 808073466672.

The previous prime is 1212110200001. The next prime is 1212110200013. The reversal of 1212110200011 is 1100020112121.

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

It is not a de Polignac number, because 1212110200011 - 2⁶ = 1212110199947 is a prime.

It is a super-2 number, since 2×1212110200011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212110200011.

It is not an unprimeable number, because it can be changed into a prime (1212110200013) 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 3 ways as a sum of consecutive naturals, for example, 202018366666 + ... + 202018366671.

It is an arithmetic number, because the mean of its divisors is an integer number (404036733338).

Almost surely, 2^{1212110200011} is an apocalyptic number.

1212110200011 is a deficient number, since it is larger than the sum of its proper divisors (404036733341).

1212110200011 is an equidigital number, since it uses as much as digits as its factorization.

1212110200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404036733340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1212110200011 its reverse (1100020112121), we get a palindrome (2312130312132).

The spelling of 1212110200011 in words is "one trillion, two hundred twelve billion, one hundred ten million, two hundred thousand, eleven".