1130001312 has 96 divisors (see below), whose sum is σ = 3323484864. Its totient is φ = 333158400.

The previous prime is 1130001263. The next prime is 1130001331. The reversal of 1130001312 is 2131000311.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 24612 + ... + 53532.

It is an arithmetic number, because the mean of its divisors is an integer number (34619634).

Almost surely, 2^1130001312 is an apocalyptic number.

1130001312 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 1130001312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661742432).

1130001312 is an abundant number, since it is smaller than the sum of its proper divisors (2193483552).

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

1130001312 is a wasteful number, since it uses less digits than its factorization.

1130001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28982 (or 28974 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1130001312 is about 33615.4921427606. The cubic root of 1130001312 is about 1041.5808404195.

Adding to 1130001312 its reverse (2131000311), we get a palindrome (3261001623).

The spelling of 1130001312 in words is "one billion, one hundred thirty million, one thousand, three hundred twelve".