212304442421401 has 16 divisors (see below), whose sum is σ = 243795884716800. Its totient is φ = 182844949006800.

The previous prime is 212304442421369. The next prime is 212304442421497. The reversal of 212304442421401 is 104124244403212.

It is a cyclic number.

It is not a de Polignac number, because 212304442421401 - 2⁵ = 212304442421369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212304442421501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37698910 + ... + 42962968.

It is an arithmetic number, because the mean of its divisors is an integer number (15237242794800).

Almost surely, 2^{212304442421401} is an apocalyptic number.

It is an amenable number.

212304442421401 is a deficient number, since it is larger than the sum of its proper divisors (31491442295399).

212304442421401 is a wasteful number, since it uses less digits than its factorization.

212304442421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457060.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 212304442421401 its reverse (104124244403212), we get a palindrome (316428686824613).

The spelling of 212304442421401 in words is "two hundred twelve trillion, three hundred four billion, four hundred forty-two million, four hundred twenty-one thousand, four hundred one".