12225192519221 has 8 divisors (see below), whose sum is σ = 13466054956224. Its totient is φ = 11005910298720.

The previous prime is 12225192519181. The next prime is 12225192519269. The reversal of 12225192519221 is 12291529152221.

12225192519221 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 a de Polignac number, because none of the positive numbers 2^k-12225192519221 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 (12225192549221) 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, 5395052936 + ... + 5395055201.

It is an arithmetic number, because the mean of its divisors is an integer number (1683256869528).

Almost surely, 2^{12225192519221} is an apocalyptic number.

12225192519221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12225192519221 is a deficient number, since it is larger than the sum of its proper divisors (1240862437003).

12225192519221 is a wasteful number, since it uses less digits than its factorization.

12225192519221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790108251.

The product of its digits is 129600, while the sum is 44.

The spelling of 12225192519221 in words is "twelve trillion, two hundred twenty-five billion, one hundred ninety-two million, five hundred nineteen thousand, two hundred twenty-one".