212230331344 has 10 divisors (see below), whose sum is σ = 411196267010. Its totient is φ = 106115165664.

The previous prime is 212230331321. The next prime is 212230331371. The reversal of 212230331344 is 443133032212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 173129223744 + 39101107600 = 416088^2 + 197740^2 .

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, 6632197839 + ... + 6632197870.

It is an arithmetic number, because the mean of its divisors is an integer number (41119626701).

Almost surely, 2^212230331344 is an apocalyptic number.

It is an amenable number.

212230331344 is a deficient number, since it is larger than the sum of its proper divisors (198965935666).

212230331344 is a wasteful number, since it uses less digits than its factorization.

212230331344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13264395717 (or 13264395711 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 212230331344 its reverse (443133032212), we get a palindrome (655363363556).

The spelling of 212230331344 in words is "two hundred twelve billion, two hundred thirty million, three hundred thirty-one thousand, three hundred forty-four".