11212316403 has 4 divisors (see below), whose sum is σ = 14949755208. Its totient is φ = 7474877600.

The previous prime is 11212316393. The next prime is 11212316411. The reversal of 11212316403 is 30461321211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11212316403 - 2¹⁴ = 11212300019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11212316413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868719398 + ... + 1868719403.

It is an arithmetic number, because the mean of its divisors is an integer number (3737438802).

Almost surely, 2^11212316403 is an apocalyptic number.

11212316403 is a deficient number, since it is larger than the sum of its proper divisors (3737438805).

11212316403 is an equidigital number, since it uses as much as digits as its factorization.

11212316403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737438804.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11212316403 its reverse (30461321211), we get a palindrome (41673637614).

The spelling of 11212316403 in words is "eleven billion, two hundred twelve million, three hundred sixteen thousand, four hundred three".