11011210001212 has 12 divisors (see below), whose sum is σ = 19269642255696. Its totient is φ = 5505597928160.

The previous prime is 11011210001203. The next prime is 11011210001219. The reversal of 11011210001212 is 21210001211011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11011210001192 and 11011210001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011210001219) 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, 3438537 + ... + 5817727.

It is an arithmetic number, because the mean of its divisors is an integer number (1605803521308).

Almost surely, 2^{11011210001212} is an apocalyptic number.

It is an amenable number.

11011210001212 is a deficient number, since it is larger than the sum of its proper divisors (8258432254484).

11011210001212 is a wasteful number, since it uses less digits than its factorization.

11011210001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536228 (or 3536226 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11011210001212 its reverse (21210001211011), we get a palindrome (32221211212223).

The spelling of 11011210001212 in words is "eleven trillion, eleven billion, two hundred ten million, one thousand, two hundred twelve".