12020501 has 4 divisors (see below), whose sum is σ = 12031104. Its totient is φ = 12009900.

The previous prime is 12020473. The next prime is 12020507. The reversal of 12020501 is 10502021.

12020501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10502021 = 2617 ⋅4013.

It is a cyclic number.

It is not a de Polignac number, because 12020501 - 2¹⁴ = 12004117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020507) 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, 3365 + ... + 5946.

It is an arithmetic number, because the mean of its divisors is an integer number (3007776).

Almost surely, 2^12020501 is an apocalyptic number.

It is an amenable number.

12020501 is a deficient number, since it is larger than the sum of its proper divisors (10603).

12020501 is an equidigital number, since it uses as much as digits as its factorization.

12020501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10602.

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

The square root of 12020501 is about 3467.0594168546. The cubic root of 12020501 is about 229.0731509279.

Adding to 12020501 its reverse (10502021), we get a palindrome (22522522).

It can be divided in two parts, 12020 and 501, that added together give a palindrome (12521).

The spelling of 12020501 in words is "twelve million, twenty thousand, five hundred one".