320123212002 has 48 divisors (see below), whose sum is σ = 756729166752. Its totient is φ = 96997508160.

The previous prime is 320123212001. The next prime is 320123212007. The reversal of 320123212002 is 200212321023.

320123212002 is a `hidden beast` number, since 320 + 1 + 2 + 321 + 20 + 0 + 2 = 666.

It is a super-3 number, since 3×320123212002³ (a number of 35 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (320123212001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2091613 + ... + 2239439.

It is an arithmetic number, because the mean of its divisors is an integer number (15765190974).

Almost surely, 2^320123212002 is an apocalyptic number.

320123212002 is an abundant number, since it is smaller than the sum of its proper divisors (436605954750).

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

320123212002 is a wasteful number, since it uses less digits than its factorization.

320123212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158783 (or 158780 counting only the distinct ones).

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

Adding to 320123212002 its reverse (200212321023), we get a palindrome (520335533025).

The spelling of 320123212002 in words is "three hundred twenty billion, one hundred twenty-three million, two hundred twelve thousand, two".