1120011312 has 160 divisors (see below), whose sum is σ = 3544630272. Its totient is φ = 297741312.

The previous prime is 1120011287. The next prime is 1120011341. The reversal of 1120011312 is 2131100211.

It is a super-2 number, since 2×1120011312² = 2508850678015922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283978 + ... + 287894.

Almost surely, 2^1120011312 is an apocalyptic number.

1120011312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120011312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772315136).

1120011312 is an abundant number, since it is smaller than the sum of its proper divisors (2424618960).

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

1120011312 is a wasteful number, since it uses less digits than its factorization.

1120011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995 (or 3989 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1120011312 is about 33466.5700662616. The cubic root of 1120011312 is about 1038.5023166378.

Adding to 1120011312 its reverse (2131100211), we get a palindrome (3251111523).

The spelling of 1120011312 in words is "one billion, one hundred twenty million, eleven thousand, three hundred twelve".