412231302221 has 4 divisors (see below), whose sum is σ = 412854950844. Its totient is φ = 411607653600.

The previous prime is 412231302211. The next prime is 412231302229. The reversal of 412231302221 is 122203132214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284607312196 + 127623990025 = 533486^2 + 357245^2 .

It is a cyclic number.

It is not a de Polignac number, because 412231302221 - 2²² = 412227107917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412231302229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311823320 + ... + 311824641.

It is an arithmetic number, because the mean of its divisors is an integer number (103213737711).

Almost surely, 2^412231302221 is an apocalyptic number.

It is an amenable number.

412231302221 is a deficient number, since it is larger than the sum of its proper divisors (623648623).

412231302221 is an equidigital number, since it uses as much as digits as its factorization.

412231302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623648622.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 412231302221 its reverse (122203132214), we get a palindrome (534434434435).

The spelling of 412231302221 in words is "four hundred twelve billion, two hundred thirty-one million, three hundred two thousand, two hundred twenty-one".