412321216205 has 8 divisors (see below), whose sum is σ = 494789225112. Its totient is φ = 329854462528.

The previous prime is 412321216169. The next prime is 412321216243. The reversal of 412321216205 is 502612123214.

It can be written as a sum of positive squares in 4 ways, for example, as 95444541481 + 316876674724 = 308941^2 + 562918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 412321216205 - 2²⁸ = 412052780749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716219 + ... + 1156551.

It is an arithmetic number, because the mean of its divisors is an integer number (61848653139).

Almost surely, 2^412321216205 is an apocalyptic number.

It is an amenable number.

412321216205 is a deficient number, since it is larger than the sum of its proper divisors (82468008907).

412321216205 is a wasteful number, since it uses less digits than its factorization.

412321216205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627615.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 412321216205 its reverse (502612123214), we get a palindrome (914933339419).

The spelling of 412321216205 in words is "four hundred twelve billion, three hundred twenty-one million, two hundred sixteen thousand, two hundred five".