12021802 has 8 divisors (see below), whose sum is σ = 19419876. Its totient is φ = 5548512.

The previous prime is 12021797. The next prime is 12021809. The reversal of 12021802 is 20812021.

12021802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11964681 + 57121 = 3459^2 + 239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12021809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231163 + ... + 231214.

Almost surely, 2^12021802 is an apocalyptic number.

12021802 is a deficient number, since it is larger than the sum of its proper divisors (7398074).

12021802 is a wasteful number, since it uses less digits than its factorization.

12021802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462392.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 12021802 is about 3467.2470347525. The cubic root of 12021802 is about 229.0814149600.

Adding to 12021802 its reverse (20812021), we get a palindrome (32833823).

The spelling of 12021802 in words is "twelve million, twenty-one thousand, eight hundred two".