1210020232320 has 512 divisors, whose sum is σ = 4446351360000. Its totient is φ = 310666752000.

The previous prime is 1210020232307. The next prime is 1210020232321. The reversal of 1210020232320 is 232320200121.

1210020232320 is a `hidden beast` number, since 12 + 100 + 2 + 0 + 232 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1210020232293 and 1210020232302.

It is not an unprimeable number, because it can be changed into a prime (1210020232321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106594645 + ... + 106605995.

It is an arithmetic number, because the mean of its divisors is an integer number (8684280000).

Almost surely, 2^{1210020232320} is an apocalyptic number.

1210020232320 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 1210020232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223175680000).

1210020232320 is an abundant number, since it is smaller than the sum of its proper divisors (3236331127680).

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

1210020232320 is a wasteful number, since it uses less digits than its factorization.

1210020232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11609 (or 11591 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1210020232320 its reverse (232320200121), we get a palindrome (1442340432441).

The spelling of 1210020232320 in words is "one trillion, two hundred ten billion, twenty million, two hundred thirty-two thousand, three hundred twenty".