126217266306 has 32 divisors (see below), whose sum is σ = 252820279296. Its totient is φ = 42008178000.

The previous prime is 126217266281. The next prime is 126217266349. The reversal of 126217266306 is 603662712621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15557191 + ... + 15565301.

It is an arithmetic number, because the mean of its divisors is an integer number (7900633728).

Almost surely, 2^126217266306 is an apocalyptic number.

126217266306 is an abundant number, since it is smaller than the sum of its proper divisors (126603012990).

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

126217266306 is a wasteful number, since it uses less digits than its factorization.

126217266306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11758.

The product of its (nonzero) digits is 217728, while the sum is 42.

Adding to 126217266306 its reverse (603662712621), we get a palindrome (729879978927).

The spelling of 126217266306 in words is "one hundred twenty-six billion, two hundred seventeen million, two hundred sixty-six thousand, three hundred six".