12252202652221 has 8 divisors (see below), whose sum is σ = 14064202416960. Its totient is φ = 10455624162528.

The previous prime is 12252202652213. The next prime is 12252202652233. The reversal of 12252202652221 is 12225620225221.

12252202652221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12252202652221 - 2³ = 12252202652213 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 (12252202653221) 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, 3855317056 + ... + 3855320233.

It is an arithmetic number, because the mean of its divisors is an integer number (1758025302120).

Almost surely, 2^{12252202652221} is an apocalyptic number.

It is an amenable number.

12252202652221 is a deficient number, since it is larger than the sum of its proper divisors (1811999764739).

12252202652221 is an equidigital number, since it uses as much as digits as its factorization.

12252202652221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710637523.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 12252202652221 its reverse (12225620225221), we get a palindrome (24477822877442).

The spelling of 12252202652221 in words is "twelve trillion, two hundred fifty-two billion, two hundred two million, six hundred fifty-two thousand, two hundred twenty-one".