12021010 has 16 divisors (see below), whose sum is σ = 21943872. Its totient is φ = 4740400.

The previous prime is 12021007. The next prime is 12021013. The reversal of 12021010 is 1012021.

It is an interprime number because it is at equal distance from previous prime (12021007) and next prime (12021013).

It is a junction number, because it is equal to n+sod(n) for n = 12020984 and 12021002.

It is not an unprimeable number, because it can be changed into a prime (12021013) 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 7 ways as a sum of consecutive naturals, for example, 7756 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (1371492).

Almost surely, 2^12021010 is an apocalyptic number.

12021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021010 is a deficient number, since it is larger than the sum of its proper divisors (9922862).

12021010 is a wasteful number, since it uses less digits than its factorization.

12021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17009.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 12021010 is about 3467.1328212227. The cubic root of 12021010 is about 229.0763841983.

Adding to 12021010 its reverse (1012021), we get a palindrome (13033031).

The spelling of 12021010 in words is "twelve million, twenty-one thousand, ten".