117219973900 has 54 divisors (see below), whose sum is σ = 255681353228. Its totient is φ = 46645972800.

The previous prime is 117219973889. The next prime is 117219973903. The reversal of 117219973900 is 9379912711.

It is a super-2 number, since 2×117219973900² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117219973903) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49731522 + ... + 49733878.

Almost surely, 2^117219973900 is an apocalyptic number.

117219973900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117219973900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127840676614).

117219973900 is an abundant number, since it is smaller than the sum of its proper divisors (138461379328).

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

117219973900 is an equidigital number, since it uses as much as digits as its factorization.

117219973900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 49.

The spelling of 117219973900 in words is "one hundred seventeen billion, two hundred nineteen million, nine hundred seventy-three thousand, nine hundred".