117212809948 has 24 divisors (see below), whose sum is σ = 223178405072. Its totient is φ = 53540504064.

The previous prime is 117212809939. The next prime is 117212809949. The reversal of 117212809948 is 849908212711.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 117212809895 and 117212809904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117212809949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11613990 + ... + 11624077.

Almost surely, 2^117212809948 is an apocalyptic number.

It is an amenable number.

117212809948 is a deficient number, since it is larger than the sum of its proper divisors (105965595124).

117212809948 is a wasteful number, since it uses less digits than its factorization.

117212809948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23238181 (or 23238179 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 117212809948 in words is "one hundred seventeen billion, two hundred twelve million, eight hundred nine thousand, nine hundred forty-eight".