120312210 has 64 divisors (see below), whose sum is σ = 296991360. Its totient is φ = 31180800.

The previous prime is 120312193. The next prime is 120312217. The reversal of 120312210 is 12213021.

It is not an unprimeable number, because it can be changed into a prime (120312217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178434 + ... + 179106.

It is an arithmetic number, because the mean of its divisors is an integer number (4640490).

Almost surely, 2^120312210 is an apocalyptic number.

120312210 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 120312210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148495680).

120312210 is an abundant number, since it is smaller than the sum of its proper divisors (176679150).

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

120312210 is a wasteful number, since it uses less digits than its factorization.

120312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120312210 is about 10968.6922648053. The cubic root of 120312210 is about 493.6698089069.

Adding to 120312210 its reverse (12213021), we get a palindrome (132525231).

It can be divided in two parts, 12031 and 2210, that added together give a palindrome (14241).

The spelling of 120312210 in words is "one hundred twenty million, three hundred twelve thousand, two hundred ten".