1210032330320 has 160 divisors (see below), whose sum is σ = 3107258444160. Its totient is φ = 434550251520.

The previous prime is 1210032330317. The next prime is 1210032330401. The reversal of 1210032330320 is 230332300121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1210032330292 and 1210032330301.

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, 69147812 + ... + 69165308.

It is an arithmetic number, because the mean of its divisors is an integer number (19420365276).

Almost surely, 2^{1210032330320} is an apocalyptic number.

1210032330320 is a gapful number since it is divisible by the number (10) 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 1210032330320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553629222080).

1210032330320 is an abundant number, since it is smaller than the sum of its proper divisors (1897226113840).

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

1210032330320 is a wasteful number, since it uses less digits than its factorization.

1210032330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18493 (or 18487 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1210032330320 its reverse (230332300121), we get a palindrome (1440364630441).

The spelling of 1210032330320 in words is "one trillion, two hundred ten billion, thirty-two million, three hundred thirty thousand, three hundred twenty".