1123010312112 has 60 divisors (see below), whose sum is σ = 3384628307424. Its totient is φ = 345541633920.

The previous prime is 1123010312033. The next prime is 1123010312161. The reversal of 1123010312112 is 2112130103211.

1123010312112 is a `hidden beast` number, since 1 + 1 + 230 + 10 + 312 + 112 = 666.

It is a super-2 number, since 2×1123010312112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 299947464 + ... + 299951207.

Almost surely, 2^{1123010312112} is an apocalyptic number.

1123010312112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123010312112 is an abundant number, since it is smaller than the sum of its proper divisors (2261617995312).

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

1123010312112 is a wasteful number, since it uses less digits than its factorization.

1123010312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599898698 (or 599898689 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1123010312112 its reverse (2112130103211), we get a palindrome (3235140415323).

The spelling of 1123010312112 in words is "one trillion, one hundred twenty-three billion, ten million, three hundred twelve thousand, one hundred twelve".