117212022810 has 160 divisors (see below), whose sum is σ = 326654000640. Its totient is φ = 30121725312.

The previous prime is 117212022761. The next prime is 117212022821. The reversal of 117212022810 is 18220212711.

It is a happy number.

It is a super-2 number, since 2×117212022810² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13220439 + ... + 13229301.

It is an arithmetic number, because the mean of its divisors is an integer number (2041587504).

Almost surely, 2^117212022810 is an apocalyptic number.

117212022810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117212022810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163327000320).

117212022810 is an abundant number, since it is smaller than the sum of its proper divisors (209441977830).

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

117212022810 is a wasteful number, since it uses less digits than its factorization.

117212022810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474 (or 9465 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The spelling of 117212022810 in words is "one hundred seventeen billion, two hundred twelve million, twenty-two thousand, eight hundred ten".