12012810 has 32 divisors (see below), whose sum is σ = 29763072. Its totient is φ = 3099840.

The previous prime is 12012809. The next prime is 12012817. The reversal of 12012810 is 1821021.

12012810 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12012810² = 288615208192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012810.

It is not an unprimeable number, because it can be changed into a prime (12012817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5529 + ... + 7388.

It is an arithmetic number, because the mean of its divisors is an integer number (930096).

Almost surely, 2^12012810 is an apocalyptic number.

12012810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012810 is an abundant number, since it is smaller than the sum of its proper divisors (17750262).

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

12012810 is a wasteful number, since it uses less digits than its factorization.

12012810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12958.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 12012810 is about 3465.9500861957. The cubic root of 12012810 is about 229.0242850366.

Adding to 12012810 its reverse (1821021), we get a palindrome (13833831).

The spelling of 12012810 in words is "twelve million, twelve thousand, eight hundred ten".