8612120238 has 16 divisors (see below), whose sum is σ = 17624804736. Its totient is φ = 2803946040.

The previous prime is 8612120213. The next prime is 8612120243. The reversal of 8612120238 is 8320212168.

It is a super-2 number, since 2×8612120238² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8612120199 and 8612120208.

It is a congruent number.

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, 16689898 + ... + 16690413.

It is an arithmetic number, because the mean of its divisors is an integer number (1101550296).

Almost surely, 2^8612120238 is an apocalyptic number.

8612120238 is an abundant number, since it is smaller than the sum of its proper divisors (9012684498).

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

8612120238 is a wasteful number, since it uses less digits than its factorization.

8612120238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33380359.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8612120238 is about 92801.5098907340. The cubic root of 8612120238 is about 2049.7616409757.

The spelling of 8612120238 in words is "eight billion, six hundred twelve million, one hundred twenty thousand, two hundred thirty-eight".