12301201231 has 4 divisors (see below), whose sum is σ = 13419492264. Its totient is φ = 11182910200.

The previous prime is 12301201223. The next prime is 12301201243. The reversal of 12301201231 is 13210210321.

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

It is not a de Polignac number, because 12301201231 - 2³ = 12301201223 is a prime.

It is a super-2 number, since 2×12301201231² (a number of 21 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 (12301201831) 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, 559145500 + ... + 559145521.

It is an arithmetic number, because the mean of its divisors is an integer number (3354873066).

Almost surely, 2^12301201231 is an apocalyptic number.

12301201231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12301201231 is a deficient number, since it is larger than the sum of its proper divisors (1118291033).

12301201231 is a wasteful number, since it uses less digits than its factorization.

12301201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118291032.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12301201231 its reverse (13210210321), we get a palindrome (25511411552).

The spelling of 12301201231 in words is "twelve billion, three hundred one million, two hundred one thousand, two hundred thirty-one".