11120312012 has 6 divisors (see below), whose sum is σ = 19460546028. Its totient is φ = 5560156004.

The previous prime is 11120312011. The next prime is 11120312059. The reversal of 11120312012 is 21021302111.

It is a super-2 number, since 2×11120312012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11120312011) by changing a digit.

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 as a sum of consecutive naturals, namely, 1390038998 + ... + 1390039005.

It is an arithmetic number, because the mean of its divisors is an integer number (3243424338).

Almost surely, 2^11120312012 is an apocalyptic number.

It is an amenable number.

11120312012 is a deficient number, since it is larger than the sum of its proper divisors (8340234016).

11120312012 is a wasteful number, since it uses less digits than its factorization.

11120312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780078007 (or 2780078005 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11120312012 its reverse (21021302111), we get a palindrome (32141614123).

Subtracting 11120312012 from its reverse (21021302111), we obtain a palindrome (9900990099).

The spelling of 11120312012 in words is "eleven billion, one hundred twenty million, three hundred twelve thousand, twelve".