117217412 has 24 divisors (see below), whose sum is σ = 221407872. Its totient is φ = 53978400.

The previous prime is 117217409. The next prime is 117217423. The reversal of 117217412 is 214712711.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23237 + ... + 27827.

It is an arithmetic number, because the mean of its divisors is an integer number (9225328).

Almost surely, 2^117217412 is an apocalyptic number.

It is an amenable number.

117217412 is a deficient number, since it is larger than the sum of its proper divisors (104190460).

117217412 is a wasteful number, since it uses less digits than its factorization.

117217412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099 (or 5097 counting only the distinct ones).

The product of its digits is 784, while the sum is 26.

The square root of 117217412 is about 10826.6990352554. The cubic root of 117217412 is about 489.4000877004.

The spelling of 117217412 in words is "one hundred seventeen million, two hundred seventeen thousand, four hundred twelve".