12173353422 has 32 divisors (see below), whose sum is σ = 24878202624. Its totient is φ = 3970075200.

The previous prime is 12173353417. The next prime is 12173353427. The reversal of 12173353422 is 22435337121.

It is an interprime number because it is at equal distance from previous prime (12173353417) and next prime (12173353427).

It is a super-2 number, since 2×12173353422² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173353427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53263 + ... + 164874.

It is an arithmetic number, because the mean of its divisors is an integer number (777443832).

Almost surely, 2^12173353422 is an apocalyptic number.

12173353422 is an abundant number, since it is smaller than the sum of its proper divisors (12704849202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12173353422 is a wasteful number, since it uses less digits than its factorization.

12173353422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218344.

The product of its digits is 30240, while the sum is 33.

The spelling of 12173353422 in words is "twelve billion, one hundred seventy-three million, three hundred fifty-three thousand, four hundred twenty-two".