331212123344 has 10 divisors (see below), whose sum is σ = 641723489010. Its totient is φ = 165606061664.

The previous prime is 331212123331. The next prime is 331212123379. The reversal of 331212123344 is 443321212133.

It can be written as a sum of positive squares in only one way, i.e., 182534017600 + 148678105744 = 427240^2 + 385588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10350378839 + ... + 10350378870.

It is an arithmetic number, because the mean of its divisors is an integer number (64172348901).

Almost surely, 2^331212123344 is an apocalyptic number.

It is an amenable number.

331212123344 is a deficient number, since it is larger than the sum of its proper divisors (310511365666).

331212123344 is a wasteful number, since it uses less digits than its factorization.

331212123344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20700757717 (or 20700757711 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 331212123344 its reverse (443321212133), we get a palindrome (774533335477).

The spelling of 331212123344 in words is "three hundred thirty-one billion, two hundred twelve million, one hundred twenty-three thousand, three hundred forty-four".