331212122106 has 32 divisors (see below), whose sum is σ = 664881524928. Its totient is φ = 109994613120.

The previous prime is 331212122083. The next prime is 331212122209. The reversal of 331212122106 is 601221212133.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17074545 + ... + 17093931.

It is an arithmetic number, because the mean of its divisors is an integer number (20777547654).

Almost surely, 2^331212122106 is an apocalyptic number.

331212122106 is an abundant number, since it is smaller than the sum of its proper divisors (333669402822).

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

331212122106 is a wasteful number, since it uses less digits than its factorization.

331212122106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29806.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 331212122106 its reverse (601221212133), we get a palindrome (932433334239).

The spelling of 331212122106 in words is "three hundred thirty-one billion, two hundred twelve million, one hundred twenty-two thousand, one hundred six".