12120340410 has 48 divisors (see below), whose sum is σ = 31596121440. Its totient is φ = 3223553760.

The previous prime is 12120340403. The next prime is 12120340433. The reversal of 12120340410 is 1404302121.

12120340410 is a `hidden beast` number, since 1 + 212 + 0 + 3 + 40 + 410 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143556 + ... + 211775.

It is an arithmetic number, because the mean of its divisors is an integer number (658252530).

Almost surely, 2^12120340410 is an apocalyptic number.

12120340410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120340410 is an abundant number, since it is smaller than the sum of its proper divisors (19475781030).

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

12120340410 is a wasteful number, since it uses less digits than its factorization.

12120340410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355723 (or 355720 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12120340410 its reverse (1404302121), we get a palindrome (13524642531).

The spelling of 12120340410 in words is "twelve billion, one hundred twenty million, three hundred forty thousand, four hundred ten".