12120310 has 16 divisors (see below), whose sum is σ = 22765536. Its totient is φ = 4637248.

The previous prime is 12120307. The next prime is 12120343. The reversal of 12120310 is 1302121.

It is a super-2 number, since 2×12120310² = 293803828992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26119 + ... + 26578.

It is an arithmetic number, because the mean of its divisors is an integer number (1422846).

Almost surely, 2^12120310 is an apocalyptic number.

12120310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120310 is a deficient number, since it is larger than the sum of its proper divisors (10645226).

12120310 is a wasteful number, since it uses less digits than its factorization.

12120310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52727.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12120310 is about 3481.4235594078. The cubic root of 12120310 is about 229.7054199695.

Adding to 12120310 its reverse (1302121), we get a palindrome (13422431).

The spelling of 12120310 in words is "twelve million, one hundred twenty thousand, three hundred ten".