212331422231401 has 64 divisors (see below), whose sum is σ = 249128557977600. Its totient is φ = 178921558540800.

The previous prime is 212331422231359. The next prime is 212331422231413. The reversal of 212331422231401 is 104132224133212.

It is a cyclic number.

It is not a de Polignac number, because 212331422231401 - 2⁷ = 212331422231273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212331422231431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18855462111 + ... + 18855473371.

It is an arithmetic number, because the mean of its divisors is an integer number (3892633718400).

Almost surely, 2^{212331422231401} is an apocalyptic number.

It is an amenable number.

212331422231401 is a deficient number, since it is larger than the sum of its proper divisors (36797135746199).

212331422231401 is a wasteful number, since it uses less digits than its factorization.

212331422231401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18430.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 212331422231401 its reverse (104132224133212), we get a palindrome (316463646364613).

The spelling of 212331422231401 in words is "two hundred twelve trillion, three hundred thirty-one billion, four hundred twenty-two million, two hundred thirty-one thousand, four hundred one".