1120101312 has 224 divisors, whose sum is σ = 3357676800. Its totient is φ = 326656000.

The previous prime is 1120101289. The next prime is 1120101317. The reversal of 1120101312 is 2131010211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120101317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11090062 + ... + 11090162.

Almost surely, 2^1120101312 is an apocalyptic number.

1120101312 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 1120101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678838400).

1120101312 is an abundant number, since it is smaller than the sum of its proper divisors (2237575488).

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

1120101312 is a wasteful number, since it uses less digits than its factorization.

1120101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 265 counting only the distinct ones).

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

The square root of 1120101312 is about 33467.9146646456. The cubic root of 1120101312 is about 1038.5301326382.

Adding to 1120101312 its reverse (2131010211), we get a palindrome (3251111523).

The spelling of 1120101312 in words is "one billion, one hundred twenty million, one hundred one thousand, three hundred twelve".