12225555434 has 8 divisors (see below), whose sum is σ = 19303508640. Its totient is φ = 5791052556.

The previous prime is 12225555427. The next prime is 12225555451. The reversal of 12225555434 is 43455552221.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 321725143 = 12225555434 / (1 + 2 + 2 + 2 + 5 + 5 + 5 + 5 + 4 + 3 + 4).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160862534 + ... + 160862609.

It is an arithmetic number, because the mean of its divisors is an integer number (2412938580).

Almost surely, 2^12225555434 is an apocalyptic number.

12225555434 is a deficient number, since it is larger than the sum of its proper divisors (7077953206).

12225555434 is a wasteful number, since it uses less digits than its factorization.

12225555434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321725164.

The product of its digits is 240000, while the sum is 38.

The spelling of 12225555434 in words is "twelve billion, two hundred twenty-five million, five hundred fifty-five thousand, four hundred thirty-four".