11041212420 has 72 divisors (see below), whose sum is σ = 38276207424. Its totient is φ = 2523705408.

The previous prime is 11041212419. The next prime is 11041212449. The reversal of 11041212420 is 2421214011.

11041212420 is a `hidden beast` number, since 1 + 10 + 412 + 1 + 242 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11041212393 and 11041212402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4380174 + ... + 4382693.

It is an arithmetic number, because the mean of its divisors is an integer number (531613992).

Almost surely, 2^11041212420 is an apocalyptic number.

11041212420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11041212420 is an abundant number, since it is smaller than the sum of its proper divisors (27234995004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11041212420 is a wasteful number, since it uses less digits than its factorization.

11041212420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762889 (or 8762884 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11041212420 its reverse (2421214011), we get a palindrome (13462426431).

The spelling of 11041212420 in words is "eleven billion, forty-one million, two hundred twelve thousand, four hundred twenty".