12273402226 has 8 divisors (see below), whose sum is σ = 18412343424. Its totient is φ = 6135954420.

The previous prime is 12273402191. The next prime is 12273402233. The reversal of 12273402226 is 62220437221.

12273402226 is digitally balanced in base 2 and base 5, because in such bases 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352570 + ... + 385813.

It is an arithmetic number, because the mean of its divisors is an integer number (2301542928).

Almost surely, 2^12273402226 is an apocalyptic number.

12273402226 is a deficient number, since it is larger than the sum of its proper divisors (6138941198).

12273402226 is an equidigital number, since it uses as much as digits as its factorization.

12273402226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746696.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 12273402226 its reverse (62220437221), we get a palindrome (74493839447).

The spelling of 12273402226 in words is "twelve billion, two hundred seventy-three million, four hundred two thousand, two hundred twenty-six".