12225117382 has 4 divisors (see below), whose sum is σ = 18337676076. Its totient is φ = 6112558690.

The previous prime is 12225117371. The next prime is 12225117383. The reversal of 12225117382 is 28371152221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225117383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056279344 + ... + 3056279347.

It is an arithmetic number, because the mean of its divisors is an integer number (4584419019).

Almost surely, 2^12225117382 is an apocalyptic number.

12225117382 is a deficient number, since it is larger than the sum of its proper divisors (6112558694).

12225117382 is an equidigital number, since it uses as much as digits as its factorization.

12225117382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112558693.

The product of its digits is 13440, while the sum is 34.

The spelling of 12225117382 in words is "twelve billion, two hundred twenty-five million, one hundred seventeen thousand, three hundred eighty-two".