12301002221 has 8 divisors (see below), whose sum is σ = 12320064504. Its totient is φ = 12281955840.

The previous prime is 12301002113. The next prime is 12301002253. The reversal of 12301002221 is 12220010321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3858148996 + 8442853225 = 62114^2 + 91885^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12301002221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12301002196 and 12301002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301002271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3325445 + ... + 3329141.

It is an arithmetic number, because the mean of its divisors is an integer number (1540008063).

Almost surely, 2^12301002221 is an apocalyptic number.

It is an amenable number.

12301002221 is a deficient number, since it is larger than the sum of its proper divisors (19062283).

12301002221 is a wasteful number, since it uses less digits than its factorization.

12301002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7951.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12301002221 its reverse (12220010321), we get a palindrome (24521012542).

It can be divided in two parts, 1230100 and 2221, that added together give a palindrome (1232321).

The spelling of 12301002221 in words is "twelve billion, three hundred one million, two thousand, two hundred twenty-one".