320101123212 has 384 divisors, whose sum is σ = 970137907200. Its totient is φ = 90379763712.

The previous prime is 320101123211. The next prime is 320101123219. The reversal of 320101123212 is 212321101023.

320101123212 is a `hidden beast` number, since 320 + 10 + 1 + 12 + 321 + 2 = 666.

320101123212 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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 (320101123211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 485737339 + ... + 485737997.

It is an arithmetic number, because the mean of its divisors is an integer number (2526400800).

Almost surely, 2^320101123212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320101123212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485068953600).

320101123212 is an abundant number, since it is smaller than the sum of its proper divisors (650036783988).

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

320101123212 is a wasteful number, since it uses less digits than its factorization.

320101123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 320101123212 its reverse (212321101023), we get a palindrome (532422224235).

It can be divided in two parts, 3201011 and 23212, that added together give a palindrome (3224223).

The spelling of 320101123212 in words is "three hundred twenty billion, one hundred one million, one hundred twenty-three thousand, two hundred twelve".