12120300231 has 16 divisors (see below), whose sum is σ = 17408931456. Its totient is φ = 7456322016.

The previous prime is 12120300209. The next prime is 12120300287. The reversal of 12120300231 is 13200302121.

It is not a de Polignac number, because 12120300231 - 2⁷ = 12120300103 is a prime.

It is a super-2 number, since 2×12120300231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12120300231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120300631) 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, 82836 + ... + 176358.

It is an arithmetic number, because the mean of its divisors is an integer number (1088058216).

Almost surely, 2^12120300231 is an apocalyptic number.

12120300231 is a deficient number, since it is larger than the sum of its proper divisors (5288631225).

12120300231 is a wasteful number, since it uses less digits than its factorization.

12120300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96862.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12120300231 its reverse (13200302121), we get a palindrome (25320602352).

The spelling of 12120300231 in words is "twelve billion, one hundred twenty million, three hundred thousand, two hundred thirty-one".