1130122221312 has 288 divisors, whose sum is σ = 3499396024320. Its totient is φ = 317090856960.

The previous prime is 1130122221247. The next prime is 1130122221323. The reversal of 1130122221312 is 2131222210311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 235783588 + ... + 235788380.

It is an arithmetic number, because the mean of its divisors is an integer number (12150680640).

Almost surely, 2^{1130122221312} is an apocalyptic number.

1130122221312 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 1130122221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1749698012160).

1130122221312 is an abundant number, since it is smaller than the sum of its proper divisors (2369273803008).

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

1130122221312 is an equidigital number, since it uses as much as digits as its factorization.

1130122221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599 (or 5585 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1130122221312 its reverse (2131222210311), we get a palindrome (3261344431623).

The spelling of 1130122221312 in words is "one trillion, one hundred thirty billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred twelve".