11234455443212 has 12 divisors (see below), whose sum is σ = 19663723995720. Its totient is φ = 5616248587296.

The previous prime is 11234455443199. The next prime is 11234455443223. The reversal of 11234455443212 is 21234455443211.

It is a self number, because there is not a number n which added to its sum of digits gives 11234455443212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244757762 + ... + 244803657.

It is an arithmetic number, because the mean of its divisors is an integer number (1638643666310).

Almost surely, 2^{11234455443212} is an apocalyptic number.

It is an amenable number.

11234455443212 is a deficient number, since it is larger than the sum of its proper divisors (8429268552508).

11234455443212 is a wasteful number, since it uses less digits than its factorization.

11234455443212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489567160 (or 489567158 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

Subtracting 11234455443212 from its reverse (21234455443211), we obtain a palindrome (9999999999999).

The spelling of 11234455443212 in words is "eleven trillion, two hundred thirty-four billion, four hundred fifty-five million, four hundred forty-three thousand, two hundred twelve".