320101212 has 24 divisors (see below), whose sum is σ = 779377536. Its totient is φ = 102061168.

The previous prime is 320101207. The next prime is 320101231. The reversal of 320101212 is 212101023.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579618 + ... + 580169.

It is an arithmetic number, because the mean of its divisors is an integer number (32474064).

Almost surely, 2^320101212 is an apocalyptic number.

It is an amenable number.

320101212 is an abundant number, since it is smaller than the sum of its proper divisors (459276324).

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

320101212 is a wasteful number, since it uses less digits than its factorization.

320101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159817 (or 1159815 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 320101212 is about 17891.3725577441. The cubic root of 320101212 is about 684.0624836049.

Adding to 320101212 its reverse (212101023), we get a palindrome (532202235).

The spelling of 320101212 in words is "three hundred twenty million, one hundred one thousand, two hundred twelve".