1210020320322 has 24 divisors (see below), whose sum is σ = 2860048030320. Its totient is φ = 366672824280.

The previous prime is 1210020320321. The next prime is 1210020320449. The reversal of 1210020320322 is 2230230200121.

1210020320322 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 0 + 20 + 320 + 322 = 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 = 1210020320295 and 1210020320304.

It is not an unprimeable number, because it can be changed into a prime (1210020320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3055606672 + ... + 3055607067.

It is an arithmetic number, because the mean of its divisors is an integer number (119168667930).

Almost surely, 2^{1210020320322} is an apocalyptic number.

1210020320322 is an abundant number, since it is smaller than the sum of its proper divisors (1650027709998).

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

1210020320322 is a wasteful number, since it uses less digits than its factorization.

1210020320322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111213758 (or 6111213755 counting only the distinct ones).

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

Adding to 1210020320322 its reverse (2230230200121), we get a palindrome (3440250520443).

The spelling of 1210020320322 in words is "one trillion, two hundred ten billion, twenty million, three hundred twenty thousand, three hundred twenty-two".