12231424440302 has 4 divisors (see below), whose sum is σ = 18347136660456. Its totient is φ = 6115712220150.

The previous prime is 12231424440281. The next prime is 12231424440343. The reversal of 12231424440302 is 20304442413221.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057856110074 + ... + 3057856110077.

It is an arithmetic number, because the mean of its divisors is an integer number (4586784165114).

Almost surely, 2^{12231424440302} is an apocalyptic number.

12231424440302 is a deficient number, since it is larger than the sum of its proper divisors (6115712220154).

12231424440302 is an equidigital number, since it uses as much as digits as its factorization.

12231424440302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115712220153.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 12231424440302 its reverse (20304442413221), we get a palindrome (32535866853523).

The spelling of 12231424440302 in words is "twelve trillion, two hundred thirty-one billion, four hundred twenty-four million, four hundred forty thousand, three hundred two".