412240415221 has 16 divisors (see below), whose sum is σ = 435695955840. Its totient is φ = 388962120960.

The previous prime is 412240415203. The next prime is 412240415231. The reversal of 412240415221 is 122514042214.

It is a cyclic number.

It is not a de Polignac number, because 412240415221 - 2⁵ = 412240415189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 412240415221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412240415231) 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, 11476936 + ... + 11512798.

It is an arithmetic number, because the mean of its divisors is an integer number (27230997240).

Almost surely, 2^412240415221 is an apocalyptic number.

It is an amenable number.

412240415221 is a deficient number, since it is larger than the sum of its proper divisors (23455540619).

412240415221 is a wasteful number, since it uses less digits than its factorization.

412240415221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38316.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 412240415221 its reverse (122514042214), we get a palindrome (534754457435).

The spelling of 412240415221 in words is "four hundred twelve billion, two hundred forty million, four hundred fifteen thousand, two hundred twenty-one".