12013205200231 has 4 divisors (see below), whose sum is σ = 12044087476200. Its totient is φ = 11982322924264.

The previous prime is 12013205200219. The next prime is 12013205200303. The reversal of 12013205200231 is 13200250231021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12013205200231 - 2⁷ = 12013205200103 is a prime.

It is a super-2 number, since 2×12013205200231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013205200211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15441137401 + ... + 15441138178.

It is an arithmetic number, because the mean of its divisors is an integer number (3011021869050).

Almost surely, 2^{12013205200231} is an apocalyptic number.

12013205200231 is a deficient number, since it is larger than the sum of its proper divisors (30882275969).

12013205200231 is an equidigital number, since it uses as much as digits as its factorization.

12013205200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30882275968.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 12013205200231 its reverse (13200250231021), we get a palindrome (25213455431252).

The spelling of 12013205200231 in words is "twelve trillion, thirteen billion, two hundred five million, two hundred thousand, two hundred thirty-one".