11230120312 has 64 divisors (see below), whose sum is σ = 22161376800. Its totient is φ = 5327562240.

The previous prime is 11230120301. The next prime is 11230120331. The reversal of 11230120312 is 21302103211.

11230120312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11230120312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10274038 + ... + 10275130.

Almost surely, 2^11230120312 is an apocalyptic number.

It is an amenable number.

11230120312 is a deficient number, since it is larger than the sum of its proper divisors (10931256488).

11230120312 is a wasteful number, since it uses less digits than its factorization.

11230120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11230120312 its reverse (21302103211), we get a palindrome (32532223523).

The spelling of 11230120312 in words is "eleven billion, two hundred thirty million, one hundred twenty thousand, three hundred twelve".