12120232501 has 8 divisors (see below), whose sum is σ = 13820355864. Its totient is φ = 10529794560.

The previous prime is 12120232499. The next prime is 12120232511. The reversal of 12120232501 is 10523202121.

It can be written as a sum of positive squares in 4 ways, for example, as 4573140625 + 7547091876 = 67625^2 + 86874^2 .

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

It is not a de Polignac number, because 12120232501 - 2¹ = 12120232499 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 (12120232511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27421120 + ... + 27421561.

It is an arithmetic number, because the mean of its divisors is an integer number (1727544483).

Almost surely, 2^12120232501 is an apocalyptic number.

It is an amenable number.

12120232501 is a deficient number, since it is larger than the sum of its proper divisors (1700123363).

12120232501 is a wasteful number, since it uses less digits than its factorization.

12120232501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54842711.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 12120232501 its reverse (10523202121), we get a palindrome (22643434622).

The spelling of 12120232501 in words is "twelve billion, one hundred twenty million, two hundred thirty-two thousand, five hundred one".