117731201226 has 32 divisors (see below), whose sum is σ = 257910143040. Its totient is φ = 35661647616.

The previous prime is 117731201177. The next prime is 117731201257. The reversal of 117731201226 is 622102137711.

It is a Curzon number.

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, 19897516 + ... + 19903431.

It is an arithmetic number, because the mean of its divisors is an integer number (8059691970).

Almost surely, 2^117731201226 is an apocalyptic number.

117731201226 is an abundant number, since it is smaller than the sum of its proper divisors (140178941814).

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

117731201226 is a wasteful number, since it uses less digits than its factorization.

117731201226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39800998.

The product of its (nonzero) digits is 7056, while the sum is 33.

Adding to 117731201226 its reverse (622102137711), we get a palindrome (739833338937).

The spelling of 117731201226 in words is "one hundred seventeen billion, seven hundred thirty-one million, two hundred one thousand, two hundred twenty-six".