12051020 has 12 divisors (see below), whose sum is σ = 25307184. Its totient is φ = 4820400.

The previous prime is 12050953. The next prime is 12051023. The reversal of 12051020 is 2015021.

It is a junction number, because it is equal to n+sod(n) for n = 12050992 and 12051010.

It is not an unprimeable number, because it can be changed into a prime (12051023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 301256 + ... + 301295.

It is an arithmetic number, because the mean of its divisors is an integer number (2108932).

Almost surely, 2^12051020 is an apocalyptic number.

12051020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12051020 is an abundant number, since it is smaller than the sum of its proper divisors (13256164).

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

12051020 is a wasteful number, since it uses less digits than its factorization.

12051020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602560 (or 602558 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 12051020 is about 3471.4579069895. The cubic root of 12051020 is about 229.2668526503.

Adding to 12051020 its reverse (2015021), we get a palindrome (14066041).

The spelling of 12051020 in words is "twelve million, fifty-one thousand, twenty".