212144404023232 has 14 divisors (see below), whose sum is σ = 420974051733728. Its totient is φ = 106072202011584.

The previous prime is 212144404023203. The next prime is 212144404023263. The reversal of 212144404023232 is 232320404441212.

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, 1657378156368 + ... + 1657378156495.

Almost surely, 2^{212144404023232} is an apocalyptic number.

It is an amenable number.

212144404023232 is a deficient number, since it is larger than the sum of its proper divisors (208829647710496).

212144404023232 is an equidigital number, since it uses as much as digits as its factorization.

212144404023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314756312875 (or 3314756312865 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 212144404023232 its reverse (232320404441212), we get a palindrome (444464808464444).

The spelling of 212144404023232 in words is "two hundred twelve trillion, one hundred forty-four billion, four hundred four million, twenty-three thousand, two hundred thirty-two".