10412201221 has 4 divisors (see below), whose sum is σ = 10478521132. Its totient is φ = 10345881312.

The previous prime is 10412201213. The next prime is 10412201273. The reversal of 10412201221 is 12210221401.

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 6611478721 + 3800722500 = 81311^2 + 61650^2 .

It is a cyclic number.

It is not a de Polignac number, because 10412201221 - 2³ = 10412201213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10412201195 and 10412201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10412201321) 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, 33159720 + ... + 33160033.

It is an arithmetic number, because the mean of its divisors is an integer number (2619630283).

Almost surely, 2^10412201221 is an apocalyptic number.

It is an amenable number.

10412201221 is a deficient number, since it is larger than the sum of its proper divisors (66319911).

10412201221 is an equidigital number, since it uses as much as digits as its factorization.

10412201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66319910.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10412201221 its reverse (12210221401), we get a palindrome (22622422622).

It can be divided in two parts, 1041220 and 1221, that added together give a square (1042441 = 1021²).

The spelling of 10412201221 in words is "ten billion, four hundred twelve million, two hundred one thousand, two hundred twenty-one".