11220012412 has 24 divisors (see below), whose sum is σ = 22496571104. Its totient is φ = 4796459712.

The previous prime is 11220012383. The next prime is 11220012431. The reversal of 11220012412 is 21421002211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493563 + ... + 515794.

Almost surely, 2^11220012412 is an apocalyptic number.

It is an amenable number.

11220012412 is an abundant number, since it is smaller than the sum of its proper divisors (11276558692).

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

11220012412 is a wasteful number, since it uses less digits than its factorization.

11220012412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009765 (or 1009763 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220012412 its reverse (21421002211), we get a palindrome (32641014623).

The spelling of 11220012412 in words is "eleven billion, two hundred twenty million, twelve thousand, four hundred twelve".