12120501 has 16 divisors (see below), whose sum is σ = 16763904. Its totient is φ = 7784304.

The previous prime is 12120491. The next prime is 12120503. The reversal of 12120501 is 10502121.

It is not a de Polignac number, because 12120501 - 2⁵ = 12120469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120503) 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, 8806 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (1047744).

Almost surely, 2^12120501 is an apocalyptic number.

It is an amenable number.

12120501 is a deficient number, since it is larger than the sum of its proper divisors (4643403).

12120501 is a wasteful number, since it uses less digits than its factorization.

12120501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 12120501 is about 3481.4509906072. The cubic root of 12120501 is about 229.7066265807.

Adding to 12120501 its reverse (10502121), we get a palindrome (22622622).

It can be divided in two parts, 12120 and 501, that added together give a palindrome (12621).

The spelling of 12120501 in words is "twelve million, one hundred twenty thousand, five hundred one".