126329719228 has 12 divisors (see below), whose sum is σ = 221089750560. Its totient is φ = 63161219072.

The previous prime is 126329719189. The next prime is 126329719279. The reversal of 126329719228 is 822917923621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831301 + ... + 971452.

It is an arithmetic number, because the mean of its divisors is an integer number (18424145880).

Almost surely, 2^126329719228 is an apocalyptic number.

It is an amenable number.

126329719228 is a deficient number, since it is larger than the sum of its proper divisors (94760031332).

126329719228 is a wasteful number, since it uses less digits than its factorization.

126329719228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820276 (or 1820274 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The spelling of 126329719228 in words is "one hundred twenty-six billion, three hundred twenty-nine million, seven hundred nineteen thousand, two hundred twenty-eight".