11013312012 has 24 divisors (see below), whose sum is σ = 25723686912. Its totient is φ = 3667395600.

The previous prime is 11013312001. The next prime is 11013312067. The reversal of 11013312012 is 21021331011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11013311982 and 11013312000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451164 + ... + 474947.

It is an arithmetic number, because the mean of its divisors is an integer number (1071820288).

Almost surely, 2^11013312012 is an apocalyptic number.

11013312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11013312012 is an abundant number, since it is smaller than the sum of its proper divisors (14710374900).

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

11013312012 is a wasteful number, since it uses less digits than its factorization.

11013312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927109 (or 927107 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11013312012 its reverse (21021331011), we get a palindrome (32034643023).

The spelling of 11013312012 in words is "eleven billion, thirteen million, three hundred twelve thousand, twelve".