212321401144304 has 20 divisors (see below), whose sum is σ = 413138262856176. Its totient is φ = 105705075245952.

The previous prime is 212321401144271. The next prime is 212321401144309. The reversal of 212321401144304 is 403441104123212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212321401144309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28476579044 + ... + 28476586499.

Almost surely, 2^{212321401144304} is an apocalyptic number.

It is an amenable number.

212321401144304 is a deficient number, since it is larger than the sum of its proper divisors (200816861711872).

212321401144304 is a wasteful number, since it uses less digits than its factorization.

212321401144304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56953165784 (or 56953165778 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 212321401144304 its reverse (403441104123212), we get a palindrome (615762505267516).

The spelling of 212321401144304 in words is "two hundred twelve trillion, three hundred twenty-one billion, four hundred one million, one hundred forty-four thousand, three hundred four".