11212442003 has 12 divisors (see below), whose sum is σ = 13093810632. Its totient is φ = 9573258240.

The previous prime is 11212441993. The next prime is 11212442023. The reversal of 11212442003 is 30024421211.

It is a de Polignac number, because none of the positive numbers 2^k-11212442003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11212442023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432593 + ... + 457778.

It is an arithmetic number, because the mean of its divisors is an integer number (1091150886).

Almost surely, 2^11212442003 is an apocalyptic number.

11212442003 is a deficient number, since it is larger than the sum of its proper divisors (1881368629).

11212442003 is an equidigital number, since it uses as much as digits as its factorization.

11212442003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890642 (or 890635 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11212442003 its reverse (30024421211), we get a palindrome (41236863214).

The spelling of 11212442003 in words is "eleven billion, two hundred twelve million, four hundred forty-two thousand, three".