213141224144 has 20 divisors (see below), whose sum is σ = 415242680580. Its totient is φ = 105981822720.

The previous prime is 213141224137. The next prime is 213141224201. The reversal of 213141224144 is 441422141312.

It can be written as a sum of positive squares in 2 ways, for example, as 25555219600 + 187586004544 = 159860^2 + 433112^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36796349 + ... + 36802140.

It is an arithmetic number, because the mean of its divisors is an integer number (20762134029).

Almost surely, 2^213141224144 is an apocalyptic number.

It is an amenable number.

213141224144 is a deficient number, since it is larger than the sum of its proper divisors (202101456436).

213141224144 is a wasteful number, since it uses less digits than its factorization.

213141224144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73598678 (or 73598672 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

Adding to 213141224144 its reverse (441422141312), we get a palindrome (654563365456).

The spelling of 213141224144 in words is "two hundred thirteen billion, one hundred forty-one million, two hundred twenty-four thousand, one hundred forty-four".